HomeMy WebLinkAboutWK February 13, 2001
f " CITY of ANDOVER
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1685 CROSSTOWN BOULEVARD NW. ANDOVER. MINNESOTA 55304. (763) 755-5100 FAX (763) 755-8923
Special City Council Workshop - Tuesday, February 13, 2001
Public Works Building
Call toOrder-7:00 PM
1. Introduction
2. Review Water Report/Project 00-15
3. Discuss Property Adjacent to Public Works/Project 00-13
/~ ") 4. . Establish Water Treatment Connection Fee
\.J 5. Hydrant Meter Deposit & Rental Rates
6. Other Business
Adjournment
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CITY OF ANDOVER
REQUEST FOR COUNCIL ACTION
DATE: February 13.2001
AGENDA SECTION ORIGINATING DEPARTMENT
Discussion Item Water Department
ITEM NO. 8.c- ~~
5. Hydrant Meter Deposit & Rental Rates
Request
City Council is requested to approve the hydrant meter deposit and rental rates for the year 200 I.
Back!!:round
During the construction season of any year, we have given out hydrant water meters to
contractors for the purpose of easy access to water for their projects. This has typically been done with
just a deposit on the meter and a charge for the water, using our rates. I would like to take this a step
further and charge a daily rental for the meter. This proposal has been modeled after the City of Maple
Grove. This type of structure will allow us more control over who is getting water. Any contractor that
wishes to receive water will have to fill out a permit. A permit will be given for either a hydrant, to be
determined by the water department, or for a contractor to receive their water at the Public Works
Garage. We are trying to get better control over who is able to receive water and to create revenue for
, / the department.
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CITY OF ANDOVER
/ HYDRANT METER DEPOSIT AND RENTAL RATES
EFFECTIVE 03/01/01
Effective immediately, the following deposits and rental rates will apply to all hydrant meters:
HYDRANT METER SIZE DEPOSIT RENTAL RATE
5/8" hydrant meter setup $250.00 $4.00 per day for the first seven (7) days
$2.00 per day thereafter for full rental period
3" hydrant meter setup $600.00 $5.00 per day for the first thirty (30) days
$3.00 per day thereafter for full rental period
3" hydrant meter w/backflow prevent $1000.00 $6.00 per day for the first thirty (30) days
$4.00 per day thereafter for full rental period
. Daily rental charges will apply beginning on the date the meter is issued through the date the meter is returned to the City
of Andover and will include weekend days. The City of Andover reserves the right to adjust the deposit amount based
on the estimated number of days the meter is expected to be in possession of the contractor.
. In addition to the applicable rental rates, a water usage charge per 1000 gallons will apply. This rate will be consistent
with the residential and commercial water rates currently used by the City of Andover.
. The contractor agrees to reimburse the City of Andover the actual replacement cost of meters, which are not returned
within seven days past the date the permit is valid. In addition, all monies on deposit for meter and water use charges
will be forfeited to the City of Andover.
, The City of Andover agrees to provide the contractor with properly working meters, equipment, and permits. The contractor
will follow conditions set forth by permit and further will be responsible for any replacement, repair and/or reconditioning
charges necessary to return the meter and/or equipment to proper working order following the rental period. The contractor
agrees to maintain a valid permit available on site and immediately available to City of Andover personnel for inspection and
validation. Contractor further agrees to abide by the provisions set forth in City of Andover Ordinance #55, Section 33.
PROPER HYDRANT USE
I. Open hydrant completely and flush. Shut hydrant down completely.
2. Install meter and open hydrant completely.
3. Hydrant meter and wrench must be removed each night or if personnel leave the immediate area. Please remove the
equipment and take it with you. FAILURE TO DO SO WILL IMMEDIATELY CANCEL THE HYDRANT USE
PERMIT. If hydrant malfunctions, notifY Andover Public Works Water Dept. immediately.
4. Winter Meter Use: Hydrant and meter will be protected against freeze up during cold weather. Hydrant caps must be left
OFF, after use, during cold weather. This will allow the hydrant to drain and will prevent a freeze up. Hydrant will be
checked every day after use by permit holder, to insure that it has drained properly. Any costs incurred caused by
improper use of the hydrant will be the responsibility of the permit holder.
5. Please call the Water Department at 763-755-81 18 if you have any questions.
I hereby agree to abide by the conditions set forth above.
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./ Signature:
(Please Print Name)
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J Comprehensive Water Plan Supplement
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,.., February 2001
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..., COMPREHENSIVE WATER PLAN SUPPLEMENT
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-1 ANDOVER,MrnNNESOTA
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..., I hereby certify that this plan, specification or report was prepared by me or under my direct supervision,
-1 and that I am a duly Licensed Professional Engineer under the laws of the State of Minnesota.
..., Signature: ~ O'~ Typed or Printed Name: Jon D. Peterson
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Date F~ S"r 1....00 I Reg. No. 21309
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CONSULTING ENGINEERS & LAND SURVEYORS
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. TABLE OF CONTENTS
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...J Section Page
EXECUTIVE SUMMARY ES-I
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....J A. Regulatory Mandates Require Action ES-I
B. Water System Improvements Proposed ES-I
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:....1 C. Financial Impact on Customers ES-I
I INTRODUCTION
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..J A. General I-I
. B. Study Scope I-I
......J C. Study Methodology I-I
. 2 DRINKING WATER QUALITY REGULATIONS
......J A. General 2-1
. B. Existing Water Quality 2-1
....J C. Safe Drinking Water Act (SDW A) Regulations 2-1
. D. Secondary Drinking Water Standards 2-6
......J E. Summary of Water Quality Issues 2-8
. 3 WATER USE PROJECTIONS
...J A. General 3-1
.., B. Service Area 3-1
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C. Planning Period 3-1
.., D. Population Projections 3-1
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E. Historical Water Usage 3-2
. Maximum Day Water Use
F. 3-4
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G. Water Use Projections 3-5
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...J 4 EVALUATION OF EXISTING FACILITIES
A. General 4-1
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...J B. Water Supply 4-1
C. Water Treatment 4-3
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...J D. Water Storage Facilities 4-3
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:....1. City of Andover, Minnesota - M23.31784 TOC Page 1
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Section Page
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5 WATER SYSTEM IMPROVEMENTS
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A. General 5-1
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B. Water Quality Regulatory Requirements 5-1 LJ
C. Strategies for Meeting Drinking Water Quality Requirements 5-1 ,.,
D. Blending of Water Sources 5-2 LJ
E. Treatment 5-2 ,.,
F. Replacement of Wells 5-4 LJ
G. Evaluation of System Improvements 5-4 ,.,
6 WATER SYSTEM OPERATIONS LJ
A. General 6-1 ,.,
B. Chlorine Residual 6-1 u
C. Well Operation 6-2 ,.,
D. Operational Modifications 6-2 \..J
7 RECOMMENDATION AND IMPLEMENTATION ,.,
General u
A. 7-1
B. Recommended Capital Improvements 7-1 ,.,
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C. Implementation Schedule 7-2
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D. Financial Impact 7-3
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Appendix A Drinking Water Standards u
Appendix B Source Water Quality Data
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Appendix C Well Log Data LJ
Appendix D Rate Evaluation
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LIST OF TABLES
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2.1 Summary ofNPDWR Impact on Andover 2-4
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2.2 USEP A National Secondary Drinking Water Contaminant Standards 2-7
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2.3 Summary of Supply Water Quality Data 2-9
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..J 3.1 Population Data and Projections 3-2
3.2 Daily Per Capita Residential Water Use 3-3
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...j 3.3 Average and Maximum Daily Water Demand 3-4
...., 3.4 Water Use Projection Criteria 3-5
...j 3.5 Water Use Projection Summary 3-5
...., 4.1 Wells Configuration Summary 4-2
..J 4.2 Existing Storage Facilities 4-4
...., 5.1 Proposed Improvements Schedule - Alternative No.1 5-6
...J 5.2 Proposed Improvements Schedule - Alternative No.2 5-7
...., 7.1 Proposed Water Supply Improvements 7-1
...J 7.2 Proposed Implementation Schedule 7-3
...., 7.3 Evaluation of Rate Impact of Capital Improvements 7-5
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LIST OF FIGURES
...., Figure Follows Page
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2.1 Drinking Water Regulatory Framework 2-1
...., Municipal Urban Service Area Boundary Map 3-1
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...J EXECUTIVE SUMMARY
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...J A. REGULA TORY MANDATES REQUIRE ACTION
..., Recent federal regulatory actions regarding Arsenic and Radium will dramatically impact
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the Andover water supply system:
..., Wells 1,2 and 3 do not meet requirements for Radium or Gross Alpha Radiation
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. Wells 6 and 7 have tested above mandated levels for Arsenic
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In addition, operational issues impact the City's response to these regulatory mandates:
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storage capabilities
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. Increasing demand for water continues to tax the capacity of the water supply system
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J B. WATER SYSTEM IMPROVEMENTS PROPOSED
Meeting regulatory mandates will require a combination of providing treatment of water
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...J supplies, and searching out new supplies. The proposed improvements will allow the city to
-, proactively deal with future water quality issues:
...J . Construct a Water Treatment Facility with capacity to treat 90% of all water pumped
..., to the system;
-I . Construct additional wells to meet increasing water demand with plans for future
treatment, if needed;
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. Replace the existing west tower with a tower matched in elevation to the east tower,
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thus creating a single pressure zone system.
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C. FINANCIAL IMPACT ON CUSTOMERS
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...J In order to fmance these improvements, water use rates and access fees for new
-, connections will need to be increased:
...J . Water use rates will increase by an average of 5% per year over the next 10 years.
-, . New connection fees will increase by an average of 5% per year over the next 10
...J years.
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SECTION 1
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..., INTRODUCTION
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...j SECTION 1
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...j INTRODUCTION
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A. GENERAL
-, The City Council of Andover authorized a supplement to the Comprehensive Water Plan
...j in May 2000. The primary intent of this study is to develop a plan for meeting federally
-, mandated water quality regulations. In addition, this study addresses methods of meeting
...j growing water demands, operational issues affecting water quality, and aesthetic water quality
-, issues. The time frame for this study matches the Comprehensive Water Plan with water system
...j needs planned for the ultimate development by the year 2020.
-, B. STUDY SCOPE
.....J A summary of the study's scope of analysis is as follows:
-, 1. Determine impact offederal regulations pertaining to radionuclides, arsenic and
...j radon on the Andover water system.
2. Develop a pro-active plan for meeting federal water quality regulations.
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3. Evaluate system capacity needs to meet future water demands.
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4. Evaluate treatment systems for ability to meet federal water quality and aesthetic
-, water quality parameters.
_J 5. Evaluate operational issues regarding cWorine residual and water tower
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C. STUDY METHODOLOGY
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...j The study methodology utilized is summarized as follows:
1. Analyze water quality data and evaluate impact of federal drinking water
-, regulations.
...j 2. Evaluate impact of current and future water demands on the water supply system.
..., 3. Evaluate existing water system capabilities.
..J 4. Develop plan for meeting federal regulations and future water demands.
5. Develop a plan for fmancing system improvements.
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...J SECTION 2
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...., DRINKING WATER QUALITY REGULATIONS
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SECTION 2
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:..J DRINKING WATER QUALITY REGULATIONS
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...., A. GENERAL
--.1 Drinking water quality is regulated by numerous Federal and State regulations. In
addition, the finished drinking water quality must meet local expectations for taste, odor,
.., hardness, and general quality. Figure 2.1 provides an overview of the regulatory framework as it
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applies to the Andover water system. This section will provide a background of drinking water
.., regulations, a summary of existing system water quality data, and an evaluation of the impact
~ that regulatory requirements will have on the Andover water system.
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:..J B. EXISTING WATER QUALITY
...., Andover utilizes 7 wells for water supply. The well facilities are further described in
--1 Section 4 - Existing Facilities. Appendix B contains the most recent laboratory analysis for
water quality parameters for each well.
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C. SAFE DRINKING WATER ACT (SDWA) REGULATIONS
...., 1. Overview
:..J Through the passage of the Safe Drinking Water Act (SDWA) in 1974, the U.S. Congress
...., authorized the United States Environmental Protection Agency (USEP A) to establish drinking
--.1 water regulations that apply to all public water systems in the United States. State governments,
...., through their health departments and environmental agencies, are responsible for implementation
c...J and enforcement of the act's provisions.
...., Under the SDW A, the USEP A initially proposed National Interim Primary Drinking
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Water Regulations (NIPDWR). The regulations were referred to as "interim" because they were
.., to be revised upon further research and special studies. The interim regulations were adopted as
..J National Primary Drinking Water Regulations (NPDWRs) upon the passage of the 1986
.., Amendments to the SDW A. There were 83 contaminants to be regulated at that time.
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City of Andover, Minnesota - M23.31784 Page 2-1
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.., Changes were made to the SDW A by the 1996 amendments. These amendments retained
....J most of the NPDWR's previously enacted. The 1996 amendments did change the process for
selecting contaminants to be regulated, and did mandate new rules regarding arsenic, uranium,
-, radon, and groundwater disinfection. The 1996 amendments place increasing emphasis on
....J ensuring that all new and existing water systems have the technical, managerial and financial
.., capacity to comply with NPDWR's. Systems which do not commit the resources required to
....J comply with the new rules may not be eligible for Drinking Water State Revolving Fund
...., (DWSRF) loans, and may be vulnerable to enforcement actions.
....J The major components of the SDW A of interest to the City of Andover are as follows:
- National Primary Drinking Water Regulations (NPDWR's)
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- DisinfectionlDisinfection By-Products Rules (DIDBP)
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- Groundwater Rules
...., Drinking Water Contaminant Candidate List (DWCCL)
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...j The following paragraphs summarize each of these components.
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J 2. National Primary Drinking Water Regulations (NPDWR's)
-, NPDWR's are the enforceable standards with which water suppliers must comply.
~ Currently, there are standards for 92 contaminants, including turbidity, 8 microorganism
.., indicators, 4 radionuclides, 19 inorganic contaminants, and 60 organic contaminants. The United
w States Environmental Protection Agency (USEP A) is required to review and revise, as
appropriate, each NPDWR every six years. Appendix A includes a summary of all standards for
.., regulated contaminants.
....J Based on water quality data for the City of Andover, the NPDWR's of interest include
.., arsenic, lead and copper, radon, gross alpha radiation, and radium 226+228. Table 2.1 provides
....J a summary of the NPDWR impact on the City of Andover.
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TABLE 2.1 ,...,
SUMMARY OF NPDWR IMPACT ON ANDOVER
Contaminant MCL Standard Impact on Andover Timeline w
Arsenic 10 ugIL Wells No.6 and 7 have Final rule published ,...,
tested e above the MCL. January 22, 2001 LJ
Further testing is planned.
Treatment may be required ,...,
to meet MCL. LJ
Lead/Copper MCLG = 0 Andover does not require Final rule published
MCL = treatment treatment for lead and January 12,2000 ,.-,
technique copper. SDW A revisions LJ
may allow reduction in ,...,
monitoring requirements.
Radon - 300 pCi/L w/o Well 5 has been tested above Final rule pending LJ
multimedia mitigation the proposed MCL standard. ,...,
- 4000 pCiIL Depending on final nile, may
w/multimedia mitigation require action. LJ
Gross Alpha 15 pCiIL Wells 1,2 & 3 do not meet Final rule published n
Radiation MCL standard. Action is December 7, 2000
required to manage water LJ
quality. ,...,
Radium 226+228 5 pCiIL Wells 1,2 & 3 do not meet Final rule published
MCL standard. ACtion is December 7, 2000 LJ
required to manage water ,...,
quality . LJ
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3. Disinfection and Disinfection By-Products (DIDBP's) L.J
In December, 1998, the USEPA established maximum residual disinfectant levels for ,...,
water systems that use a chemical disinfectant. The maximum residual disinfectant level is w
4.0 mg/l of chlorine as free Ch. The compliance date for groundwater systems is November
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2003. Maximum limits have been established to limit the health effects of disinfectant
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by-products. Generally, this should not be a problem for Andover, provided that the disinfection
control systems are adequately maintained and operated. ,...,
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4. Total Coliform Rule
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u USEP A promulgated a total colifonn rule on June 29, 1989. This rule applies to both
surface water supplies as well as groundwater supplies. The total colifonn rule became effective
..., December 31, 1990. A presence/absence approach is now used to determine compliance with
u the colifonn MCL. The Maximum Contaminant Level Goal (MCLG) is zero. In general,
" colifonns must be absent in at least 95 percent of samples. Compliance is detennined on a
...j monthly basis.
..., Recommended guidelines for total colifonn control are:
...j - maintenance of detectable disinfectant residual throughout the distribution
system;
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- proper repair/replacement/maintenance of the distribution system.
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While Andover has experienced fluctuating cWorine residual levels in the distribution
.., system, no impact from this rule is expected as the system has maintained compliance with this
u rule.
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-1 5. Ground Water Rule
.., In May 2000, the proposed Ground Water Rule was published. The rule utilizes a
...J multiple barrier Structure to guard against micro-biological contamination. The four major
components include (1) periodic on-site inspections; (2) source water monitoring for sensitive
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u aquifers without treatment or with other risk indicators; (3) requirement for correction of
significant deficiencies; and (4) requirement for treatment when deficiencies are not or cannot be
..., corrected. Universal disinfection is not required, although systems vulnerable to contamination
LJ may be required to disinfect. The final rule is pending. No significant impact on the Andover
.., water system is anticipated as disinfection is already utilized in the system.
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.., 6. Drinking Water Contaminant Candidate List (DWCCL)
...j Drinking Water Contaminant Candidate List (DWCCL) contains contaminants and
contaminant groups that are known or anticipated to occur in public water systems but are not
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..J regulated at present. This list was published in March 1998, and is included in Appendix A.
There are 60 contaminant candidates included on this list. Twenty of these are regulatory
.., detennination priorities, and 40 are research and occurrence priorities. By August 2001, USEPA
...j must decide whether to regulate, not regulate, or provide other guidance on the 20 contaminants
..., included in regulatory detennination priorities. The other 40 contaminants are candidates for the
...J 2003 DWCCL.
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Based on the published list, two contaminants are of interest to the Andover system. One n
is manganese, and the second is sulfates. Research to date indicates that secondary standards for w
manganese and sulfates would be adequate to meet health related requirements. Adoption of r'I
manganese secondary standards as primary standards would require treatment in the Andover L..J
system. At this time, there is no indication from USEP A regarding the direction of regulation of
these contaminants. r-l
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D. SECONDARY DRINKING WATER STANDARDS n
In addition to the National Primary Drinking Water Regulations which cover the L..J
contaminants that affect public health, USEPA recommends Secondary Drinking Water r'I
Regulations with limits on those contaminants that affect the aesthetic qualities of drinking LJ
water. The secondary regulations are intended to serve as guidelines and are not federally n
enforceable. Although the water utilities are not required to treat the Secondary Drinking Water LJ
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Standards, they should be aware that keeping the quality of drinking water within these
guidelines makes it more acceptable to consumers, thereby decreasing complaints. n
Table 2.2 provides a list of the contaminants covered by Secondary Drinking Water LJ
Regulations and the regulated level for each contaminant. n
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TABLE 2.2
., USEPA NATIONAL SECONDARY DRINKING WATER CONTAMINANT
:..J STANDARDS
., Contaminant Effects SMCL-mgIL
.....J Aluminum Colored water 0.05 to 0.2
., Chloride Salty taste 250
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Color Visible tint 15 color units
-., Copper Metallic taste, blue-green stain 1.0
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Corrosivity Metallic taste, corrosion, fixture Noncorrosive
-, staining
.....J Fluoride Tooth discoloration 2
-, Foaming Agents Frothy, cloudy, bitter taste, odor 0.5
.....J Iron Rusty color, sediment, metallic taste, 0.3
reddish or orange staining
-.. Manganese Black to brown color, black staining, 0.05
...J bitter metallic taste
Odor "Rotten egg", musty, or chemical smell 3 Ton
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.J pH Low pH - bitter metallic taste, 6.5--8.5
corrosion; high pH - slippery feel, soda
-, taste, deposits
:..J Silver Skin discoloration, graying of the white 0.10
of the eye
-, Sulfate Salty taste 250
....J Total Dissolved Hardness; deposits, colored water; 500
-, Solids (TDS) staining; salty taste
Zinc Metallic taste 5
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....J Water supplied by the seven wells for Andover exceed the Secondary standards for the following
contaminants:
., Iron levels greater than 0.3 mgIL (wells 1,2,3,6 & 7)
-
;..j
- Manganese levels greater than 0.05 mgIL (wells 3,4,5 &7)
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E. SUMMARY OF WATER QUALITY ISSUES n
Based on this data, water quality issues for Andover can be summarized as follows: LJ
1. Wells 1,2 and 3 have Gross Alpha and Radium levels in excess of regulated n
levels. LJ
2. Wells 6 and 7 have tested for Arsenic levels in excess of regulated levels.
n
3. Well 5 may have Radon in excess of regulated levels.
LJ
4. Iron is above recommended levels in wells 1,2,3,6 and 7.
5. Manganese is above recommended levels in wells 3, 4, 5 and 7. ,....,
L1
Table 2.3 provides a summary of the water quality testing data and regulatory limits regarding n
these issues.
LJ
. In order to meet the regulatory limits outlined in this section, the following issues must be n
addressed:
LJ
- Wells 1,2 and 3 need to be either abandoned and replaced, or water quality improved
through treatment or blending of sources to deal with radium and gross alpha issues. ....,
u
- Wells 6 and 7 need either treatment or replacement to deal with arsenic.
n
All 7 wells need treatment for secondary standards of iron or manganese. u
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SECTION 3
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.., WATER USE PROJECTIONS
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.., SECTION 3
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"1 WATER USE PROJECTIONS
...J
..,
A. GENERAL
:...J
Water use projections form the basis for planning for future water supply and water
, ~ treatment needs. The City of Andover is experiencing tremendous growth which will require
.
...J expansion of the water supply system.
..., This section will provide an update of population growth trends, historical water use, and
~ water use projections presented in the 1997 Comprehensive Plan Update prepared by Howard R.
,. " Green Company.
...J
B. SERVICE AREA
.., Water service planning has been based on providing service to the urban households
:....l
within the Municipal Urban Service Area (MUSA). Figure 3.1 shows the MUSA boundary, as
--, well as the projected expansion within the service area.
...J
.., C. PLANNING PERIOD
, J For the purposes of this study, a 20-year period will be utilized in order to plan for future
.., development.
:...J
D. POPULATION PROJECTIONS
.., Current and projected service area populations are presented in Table 3.1. Population
-.I estimates utilized in this report for the City of Andover have been developed by the City and the
..., Metropolitan Council, and have been updated from the 1997 Comprehensive Water Plan Update.
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City of Andover, Minnesota - M23.3l784 Page 3-1
..., Comprehensive Water Plan Supplement Prepared by Bolton & Menk, Inc.
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.,
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TABLE 3.1
...., POPULATION DATA AND PROJECTIONS
~ Year 2000 2010 2020
....., Total Households (I) 7,731 11,000 14,500
u Rural Households (2) 3,061 3,461 3,861
., Urban Households (3) 4,670 7,539 10,639
L.J PeoplelHousehold (4) 3.17 2.91 2.69
., Urban Population 14,804 21,938 28,619
~ Notes:
., (1) For 2000, Total Households = urban households + rural households. For 2010 and 2020,
:.....J Total Households are from "Metropolitan Council's Interim Forecasts of Population,
Households and Employment", April 1998
., (2) The number ofrural households in 1995 (2,861) plus 40 units per year (1997
L.J Comprehensive Water Plan Update Estimate)
(3) For 2000, urban households = actual connections to water system. For 2010 and 2020;
., urban households = total households - rural households.
L.J (4) Based on Met Council projections, April 1998.
.,
L.J Data in Table 3.1 indicates that population growth over the next 20 years will be approximately
., 10% less than was projected in the 1997 Comprehensive Water Plan Update. Projected water
:.....J use will be based on projections presented in Table 3.1.
., E. HISTORICAL WATER USAGE
~ Historical water usage from 1983 to 1999 is shown in Table 3.2. Residential per capita
., water use has averaged 102 gpd over this time period, while total per capita water use has
.....J averaged 113 gpd. Total per capita water use includes water used for all residential, industrial,
., and commercial uses, as well as unaccounted for water use in the system. The ratio of total to
....J residential water use has varied from 1.02 to 1.23, but has remained relatively stable over the
., years. This indicates that projections utilizing a per capita multiplier will generally provide an
u accurate estimation of all water use in the system. For water use proj ections, a 110 gpcd total
water use estimate will be utilized.
.,
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TABLE 3.2
DAILY PER CAPITA RESIDENTIAL WATER USE n
Year Annual Annual Population Residential Total Per TotaU LJ
Residential Total Water Served Per Capita Capita Use Residential
Water Usage Pumped Water Use (gpcd) Use Ratio n
(MG) (MG) (gpcd) u
1983 16.336 17.005 396 113 118 1.04 n
1984 22.861 23.170 509 123 125 1.02 LJ
1985 21.950 25.912 931 64 76 1.19 n
1986 36.494 42.432 1,347 74 86 1.16 LJ
1987 73.526 84.554 2,145 93 108 1.16 n
1988 125.947 146.410 2,970 116 135 1.16 LJ
1989 162.915 179.238 3,809 117 129 1.10 n
1990 160.298 175.880 4,556 96 106 1.10 LJ
.
1991 172.121 185.253 5,292 89 91 1.02 n
1992 237.852 258.531 6,612 98 107 1.09 LJ
1993 220.188 267.356 8,078 74 91 1.23 n
1994 342.528 365.605 9,285 101 108 1.07 LJ
1995 357.oI2 384.583 10,234 96 103 1.07 n
1996 460.300 538.307 10,673 118 138 1.17 LJ
1997 494.202 542.997 11,616 117 128 1.09 ,....,
12,447 1.11 LJ
1998 601.483 663.251 132 146
1999 524.142 637.878 13,560(2) 106 129 1.22 ,....,
14 804(3) LJ
2000 --- 812.968 --- 150 ---
,
Average 102 115 1.13 n
--- --- --
I (I) Taken from the 1995 Water Supply Plan u
(2) Taken from 1999 State Public Water Supply Inventory Worksheet n
(3) Population estimated for 2000.
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F. MAXIMUM DAY WATER USE
...., Peaking factors, such as the maximum day to average day ratio, are a tool for calculating
...J
peak flows. Table 3.3 provides a summary of average day, maximum day, and
...., maximum/average day ratio for the years 1983 to 1999. During this time period, the maximum
-1 to average ratio for the City of Andover averaged 4.24. Typical maximum to average ratios
...., would be in the range of2.50 to 3.0. Due to the high population growth in the City, with
-1 corresponding housing growth, it is estimated that this high ratio is likely due to lawn watering
...., required with newly sodded housing. It is anticipated that as the City of Andover grows and
-1 matures, maximum day water usage will decrease. This trend is already evident over the last
5-10 years.
....,
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...., TABLE 3.3
_.I AVERAGE AND MAXIMUM DAILY WATER DEMAND
Average Day Maximum Day Maximum Day/
...., Year(!) (MGD) (MGD) Average Day Ratio
~ 1983 0.047 0.2 4.83
1984 0.054 0.3 4.81
...., 1985 0.071 0.4 5.99
~ 1986 0.1l6 0.6 4.82
1987 0.232 1.0 4.31
...., 1988 0.401 1.4 3.41
-1 1989 0.491 2.4 4.97
1990 0.482 2.3 4.85
...., 3.60
1991 0.467 1.7
~.J 1992 0.708 3.0 4.21
...., 1993 0.732 2.3 3.19
1994 1.002 3.8 3.75
-1
1995 1.054 4.4 4.17
...., 1996 1.475 5.5 3.73
_J 1997 1.487 5.9 3.97
1998 1.817 6.9 3.80
...., 1999 1.748 6.4 3.66
-1 (2) 1983-1994 data taken from the 1995 Water Supply Plan.
(3) 1995-1999 data taken from yearly reports.
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G. WATER USE PROJECTIONS n
Future water use has been projected using the background data discussed above. LJ
Table 3.4 provides a summary of the projected per capita water use, and maximum to n
average day ratio. Maximum to average day ratios have been projected to decrease over the next LJ
20 years as the City matures.
n
TABLE 3.4 LJ
WATER USE PROJECTION CRITERIA
Year Average Daily Per Maximum r""'
Capita Water Use Day/Average Day LJ
(gpcd) n
2000 110 4.10
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2010 110 3.75
n
2020 110 3.50
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Table 3.5 shows the projected water demands. Average daily use is projected utilizing LJ
population projections and the total daily per capita water use factor identified in Table 3.4. r""'
Peak day use is projected utilizing the maximum day to average day ratios identified in Table LJ
3.4. A 16 hours/day operation period was utilized instead of the 20 hour/day operation assumed ,..,
in the 1997 Comprehensive Water Plan Update. Operational history indicates that operation of LJ
the wells in excess of 18 hours/day results in excessive sand being drawn to the wells. This leads
,..,
to excessive wear of equipment and deposition of sand in the distribution system. The daily
LJ
water use projections summarized in Table 3.5 are approximately 10% less than the projections
developed in the 1997 Comprehensive Water Plan Update, Table 3-8. ,..,
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TABLE 3.5 n
WATER USE PROJECTION SUMMARY
Year Total Average Day Peak Day Peak Day LJ
Average 16-Hour Demand 16-Hour n
Daily Pumping Rate (mgd) Pumping Rate LJ
(mgd) (gpm) (gpm)
2000 1.63 1,646 6.68 6,954 n
2010 2.41 2,514 9.05 9,426 LJ
2020 3.15 3,279 11.02 11,477 r"
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Typically, summer months (June, July, August), account for approximately 40% of the
...,
...J total annual water sales. Peak production and treatment facilities are needed to meet the water
demand experienced during this period. While water supply facilities are typically designed to
...., meet peak day demands, water filtration systems may be designed to meet "average" high
...J demands. For Andover, design based on 1.75 x Average Daily Flow would meet system
-, demands 90% of the time. This is equal to the average demand experienced during the summer
...J months. This value will be used later to evaluate treatment options.
...,
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City of Andover, Minnesota - M23.31784 Page 3-6
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...., SECTION 4
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..J EVALUATION OF EXISTING FACILITIES
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SECTION 4
..,
..J EVALUATION OF EXISTING FACILITIES
..,
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A. GENERAL
.., This section provides a summary of the existing water supply, treatment and storage
..J facilities utilized by the City of Andover. Generally, the City of Andover operates seven (7)
..., wells for water supply. Each well site has a well house with chemical addition facilities at each
....J site. No emergency power facilities are utilized in the system. Two elevated storage tanks
.., provide water for system equalization and fire fighting capacity. The following sections describe
..J the existing facilities in further detail.
..., B. WATER SUPPLY
....J Seven (7) wells provide water for the Andover system. Wells 1, 2 and 3 draw water from
.., the Mount Simon-Hinckley aquifer. Wells 4, 5, 6,and 7 .draw water from the lronton-Galesville
....J aquifer. Table 4.1 provides a summary of well configuration and capacity data. Well logs are
included for reference in Appendix C.
.., Criteria for the required supply capacity are based on firm pumping capacity. Finn
..J capacity is considered the pumping capacity with the largest well out of service. Based on the
.., American Water Works Association (A WW A) Manual of Water Supply Practices, systems
..J should be designed to meet peak day demands utilizing firm pumping capacity. The existing
.., firm capacity of the Andover water system is 5,950 gpm, with a total pumping capacity of7,450
gpm. Based on data presented in Section 3, Table 3.5, the current firm capacity required to meet
....J
peak day requirements is 6,954 gpm. This will increase to 9,426 gpm by 2010, and to 11,477 by
.., 2020. Thus, an additiona11,000 gpm well is required now, with an additional increase in
....J capacity of 4,527 gpm required by 2020.
..,
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C. WATER TREATMENT
-,
..J Currently, treatment of the City of Andover's water supply consists of chemical addition
at each well house. CWorine, fluoride, and polyphosphate are added to the raw water supply
-, prior to entering the distribution system. CWorine acts as a disinfectant, and works to prevent the
..J growth of harmful bacteria within the distribution system should contamination occur. Fluoride
-, is added for the purpose of reducing tooth decay as prescribed by the State of Minnesota.
..J Phosphate addition is generally utilized for two purposes. One is to prevent iron and manganese
-, from precipitating out in the distribution system and causing staining problems. The second use
....J of phosphate addition is to reduce the corrosion potential of the water, thus reducing the
corrosion of lead and copper pipes in homes. In Andover, phosphates are not required for
-, corrosion control, as previous testing has not indicated a problem with water corrosivity or with
..J
lead and copper levels. Phosphate use has not worked effectively to reduce the impact of iron
-, and manganese in the water supply. Customers continue to experience iron and manganese
..J staining problems. In addition, the side effect of using phosphates is that they are a source of
..., phosphorous in the City's wastewater. Phosphorous is a key nutrient that causes degradation to
....J the area's lakes and rivers. The Minnesota Pollution Control Agency (MPCA) is currently
..., reviewing phosphorous data and has begun to institute phosphorous limits on wastewater
....J discharges. Currently, wastewater facilities operated by the Metropolitan Council, which
services Andover, are capable of meeting phosphorous limits without limiting polyphosphate use
...,
....J in drinking water.
Current water treatment facilities do not provide treatment which meets Federal Primary
..., or Secondary Drinking Water Standards. Specifically, treatment does not meet the following:
....J Radium and Gross Alpha radiation in wells 1,2 and 3
-
....., - Arsenic in Wells 6 and 7
..J - Iron and/or Manganese in all 7 existing wells.
...,
....J D. WATER STORAGE FACILITIES
The City of Andover currently has one 500,000 gallon elevated water storage tank and
....., one 1,000,000 gallon elevated water storage tank. Table 4.2 presents a summary of the existing
. j
water storage facilities.
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TABLE 4.2
EXISTING STORAGE FACILITIES LJ
High Water Reservoir Storage Volume Location Year n
Level Type (gallons) Constructed LJ
1010 Elevated 500,000 14119 Quay Street 1986
(Tower I) n
1055 Elevated 1,000,000 1717 Crosstown 1988 LJ
Blvd. (Tower 2)
n
The distribution system is operated as a two-pressure system. This system is further L.J
described in the 1997 Comprehensive Water Plan Update. The disadvantages to this n
configuration are summarized as follows: LJ
- No redundancy of water storage facilities. This limits ability to perform regular n
maintenance of the towers, as well as providing for emergency water capacity. LJ
n
- Wells No. I and No.2 provide service to the west zone, while wells No.3, 4, 5, 6 and
LJ
7 provide service to the east zone. Water supplied to the west zone by wells I and 2
cannot be transferred to the east zone. Thus, supply wells do not provide full n
redundancy with each other due to operational restrictions. LJ
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The 1997 Comprehensive Water Plan Update recommended a total of3.0 million gallons w
of water storage be provided. In order to provide a single pressure zone system, replacement of n
the 500,000 gallon tower with a taller tower would be required. Two options for meeting storage u
requirements are as follows: n
- Remove the existing 500,000 gallon tower and replace it with a 2,000,000 gallon
u
tower at the same site
Remove the existing 500, 000 gallon tower, replace it with a 1,000,000 gallon tower ,...,
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and 1,000,000 gallon ground reservoir. w
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..J SECTION 5
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u SECTION 5
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...J WATER SYSTEM IMPROVEMENTS
...,
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A. GENERAL
....., This section will present a summary water system improvements needed to meet Federal
u and State water quality requirements and water supply needs as the community continues to
....., grow.
u
....., B. WATER QUALITY REGULA TORY REQUIREMENTS
LJ Based on the water quality regulatory issues provided in Section 2 of this report, water
....., quality goals can be summarized as follows:
....J
1) Meet the mandated levels for Gross Alpha, Radium and Arsenic. Rules for each
....., of these contaminants will be finalized within the next year and will require
u modification of the water supply system.
..., 2) Continue to meet mandated rules regarding Total Colifonns and Disinfection.
....J rules.
....., 3) Provide customers with water that meets the secondary drinking water
u contaminant standards, except during peak demand times, particularly with regard
to Iron and Manganese concentrations.
...,
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c. STRATEGIES FOR MEETING DRINKING WATER QUALITY REQUIREMENTS
-, A number of water quality management strategies are available. These include the
....J following:
-, . Blending of water sources to meet mandated levels of radionuclides and arsenic
....J prior to entering the distribution system;
. Treatment to remove radionuclides, arsenic, and secondary contaminants, prior to
...,
...J entering the distribution system;
. Abandonment of wells with high radionuclide levels or arsenic and replacement
...,
....J with other water supply wells that meet the mandated contaminant levels.
....., The following paragraphs will provide a description of each of these strategies.
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D. BLENDING OF WATER SOURCES ,..,
For wells that exceed mandated water quality levels, additional wells could be drilled u
adjacent to each well house, and water from these wells blended with water from existing wells. ,..,
This process would, in essence, dilute the contaminant, lowering the contaminant concentration u
below regulatory levels. Wells 1,2 and 3, which exceed mandated levels for gross alpha and ,..,
radiwn, could be blended with other well water in this manner. u
Advantages to this Strategy are:
,..,
. Maximizes use of existing capital investment in wells 1, 2 and 3.
u
. Maintains availability of existing wells for production capacity.
Disadvantages to this Strategy are: ,..,
. Process will notreduce secondary contaminant levels of iron and manganese and u
may raise them depending on blending well water characteristics. ,..,
. Blending wells would need to be finished in the Ironton-Galesville aquifer. In the u
case of wells I and 2, two wells each would be required. It is doubtful that two ,..,
wells in close proximity would be capable of producing the proper blending u
volwne without significant well drawdown interference.
,..,
. The site at well 3 may not be amenable to construction of a second well on site.
L.J
Additional research of this site is required to determine the feasibility.
. Ironton-Galesville wells may have excessive levels of arsenic. Blending of water ,..,
sources does not actually remove contaminants from the system, but simply u
dilutes them. Further treatment may be required to meet water quality standards. ,..,
u
E. TREATMENT ,..,
Treatment may be accomplished by a nwnber of methods. These include granular media u
filtration (both gravity and pressure filter types), reverse osmosis/membrane filtration, and lime
,..,
softening. These options are summarized in the following paragraphs.
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..J Granular media filtration is effective in removing arsenic, radionuclides, iron and
..., manganese. Arsenic and radionuclides are removed through a process known as co-precipitation
;.j with iron and manganese. Iron and manganese is typically removed from water using an
..., oxidation and filtration process. This process uses oxygen (through aeration of the water), or
~ chemical oxidants such as cWorine or potassium pennanganate, to oxidize and precipitate the
iron and manganese. Once precipitated, the iron and manganese is easily captured and removed
..., using granular media filters. Granular media filters can be either gravity type or pressure type
~ filters. Pressure filtration is not generally utilized for radionuclide contaminant removal due to
..., build up of radon gas in the system.
~ Reverse osmosis treatment is effective in removing arsenic and radionuclide
..., contaminants. If iron or manganese is present in the water supply, pretreatment by granular
u media filtration would be required prior to treatment by reverse osmosis. Reverse osmosis
..., systems have up to approximately 30% waste stream, thus increasing wastewater flows and costs
..J as well as increasing the water supply capacity requirement.
Lime softening treatment is effective in removing iron, manganese, arsenic and
..., radionuclide contaminants. Lime softening will also produce much softer water than granular
..J
media filtration. Lime softening systems are generally more expensive than granular media
..., filtration systems and also create a significant amount of waste sludge.
..J Granular media filtration is the recommended treatment method. Granular media
..., filtration would be a required pretreatment if reverse osmosis treatment were ever implemented.
~ Granular media filtration will provide water treated to meet primary and secondary standards at
.., considerable less cost than lime softening or reverse osmosis.
..J Depending on final configuration of the water supply system, either pressure filter or
gravity filter type filtration may be used. If treatment is to be done at a central site for several
" wells, or for removal of radionuclides, a gravity type filtration system provides the most
...J operational flexibility. If treatment is to be implemented at individual well sites for arsenic, iron
.., and manganese removal, pressure type filters could be utilized. The recommended type of
....J granular media filtration is a gravity type filter due to increased operational flexibility compared
.., to pressure type filters.
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F REPLACEMENT OF WELLS
Under this option, wells with excessive levels of contaminants would be abandoned and n
replaced with wells with water quality that meets primary drinking water standards. LJ
Wells could be drilled adjacent to well houses 1,2 and 3, and the new well discharge n
piping routed through the existing well house. Existing wells 1, 2 and 3 may either be L1
abandoned or left on line for potentially blending of water at a later date. New wells would be n
drilled into the IrontonlGalesville aquifer. These wells would need to be evaluated for potential LJ
contamination from arsenic. If arsenic is detected in these wells, either alternate water sources
n
would need to be developed or treatment provided for water supplied from these wells.
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In addition, testing done by the City indicates that there is a drift aquifer available in the eastern
side of the system. Wells in this aquifer would provide up to 2,000 gpm well capacity each. n
Construction of these wells would allow existing wells to be abandoned, but would require L1
construction of additional well houses. In addition, preliminary testing of the drift formation n
indicates that these wells will have levels in excess of secondary standards for manganese. Thus, L1
planning for these wells should include provisions for adding granular media filtration treatment n
in order that water supplied from these wells will match water quality from other treated sources. L1
The City is currently planning on constructing well No.8 in the eastern pressure zone.
n
This well is being constructed to meet capacity needs, and is planned to be drilled into the
u
lrontonlGalesville aquifer. It is anticipated that this well will have water quality similar to wells
6 and 7, and provisions will be made for treatment along with existing wells 4,5,6 and 7. n
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G. EV ALUA TION OF SYSTEM IMPROVEMENTS n
Improvements required for meeting water quality mandates are also impacted by water u
supply capacity needs and water storage needs. Criteria for evaluating system improvements n
include the following: w
. Provide treatment capacity to meet federal regulated water quality standards
Provide total well supply capacity of 11,477 gpm ( 11.02 mgd) n
.
Provide a total water storage capacity of3.0 million gallons u
.
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Two alternative configurations were developed which meet these criteria. These u
alternatives are summarized in the following paragraphs. n
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L.J Alternate No. 1 is summarized as follows:
-, - Water Treatment Plant with capacity to treat 6,200 gpm (from wells 4, 5, 6, 7 and 8).
LJ - Replace Wells No.1 and 2 with new wells drilled adjacent to existing well houses 1
and 2.
-,
- Construct a new well at Well No.3 and blend with Well No.3
....J
- Construct 2 new drift wells with water treatment at each well site.
-, Construct a new 2 million gallon elevated tower to replace the existing 500,000
-
;..j gallon tower.
...., Over 95% of the water supplied to the Andover water system will meet primary and
--.J secondary water quality standards. Water for peak days will be supplied from new wells
..., 9 and 10, which replaced wells 1 and 2, and from water blended with new well No. 11
L.J and existing well No.3. While water quality from these sources will not meet secondary
...., standards for iron and manganese, they will meet primary standards for radionuclides and
..j arsenic. The proposed implementation schedule and costs are summarized in Table 5.1.
...., Alternate No.2 is summarized as follows:
....J Water Treatment Plant with capacity to treat 6,200 gpm (from wells 4, 5, 6, 7 and 8).
-
...., - Provide Treatment for Radionuclides at Wells No.1 and 2.
..j - Construct a new well at Well No.3 and blend with Well No.3
-, - Construct 2 new drift wells with water treatment at each well site.
..j - Construct a new 2 million gallon elevated tower to replace the existing 500,000
..., gallon tower.
....J
This alternative will provide treatment to over 95% of the water supplied to the Andover
, water system that will meet primary and secondary water quality standards. Water for peak
..j days will be supplied from water blended with new well No. 11 and existing well No.3. While
...., water quality from these sources will not meet secondary standards for iron and manganese,.they
....J will meet primary standards for radionuclides and arsenic. The proposed implementation
...., schedule and costs are summarized in Table 5.1.
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For each of these options, two storage options were considered. It is estimated that
construction of a 2.0 million gallon elevated reservoir, and demolition of the existing 500,000 n
gallon reservoir will cost $2,400,000. Construction of a 1.0 million gallon elevated reservoir, a LJ
1.0 million gallon ground reservoir and demolition of the existing 500,000 gallon reservoir is n
also estimated to cost $2,400,000. For comparison and budget purposes, a new 2.0 million LJ
gallon reservoir has been assumed, as this configuration provides maximum operational n
flexibility. LJ
Based on the cost estimates in Tables 5.1 and 5.2, there is an estimated additional capital
cost expenditure in alternate 2 of$5.65 million. This additional expenditure would provide n
additional treatment capacity that is anticipated to only be needed less than 5% of the time in the LJ
design year. Based on this assessment, we recommend that alternate No. 1 be implemented. n
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TABLE 5.1
PROPOSED IMPROVEMENTS SCHEDULE - ALTERNATE NO.1 n
Item Date Cost LJ
1. Construct Well #8 2001 $ 715,000 n
2. Construct WTP 2002 8,335,000 L.J
3. Drill New Well at #1 (Well #9) 2002 715,000 ,-,
4. Abandon Well #1 2002 50,000 LJ
. .
5. Drill New Well at #3 (Well #11) 2003 250,000 n
6. Construct 2.0 MG Water Tower 2003 . 2,400,000 \..J
7. Drill New Well at #2 (Well #10) 2004 715,000 ,...,
80,000 LJ
8. Abandon Well #2 2004
9. Drill New Drift Well (Well #12) wlWTP 2006 3,800,000 n
\..J
10. Drill New Drift Well (Well #13) wlWTP 2012 3,800,000
Total Capital Cost $18,700,000 ,-,
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PROPOSED IMPROVEMENTS SCHEDULE-ALTERNATE NO. 2
-,
'-..I Item Date Cost
.., 1. Construct Well #8 2001 $ 715,000
~ 2. Construct Treatment at Well #2 2002 2,500,000
-, 3. Construct Treatment at Well #1 2002 2,500,000
u 4. Redevelop Well #1 2002 50,000
-, 5. Construct 2.0 MG Water Tower 2003 2,400,000
...j 6. Drill New Well #9 at Well #3. Blend with Well #3 2003 250,000
-, 7. Construct Central WTP for Wells 4, 5, 6, 7 and 8 2005 8,335,000
...j 8. Drill New Drift Well #10 wlWTP 2006 3,800,000
-, 9. Drill New Drift Well #11 wlWTP 2012 3,800,000
...j
Total Estimated Capital Cost $24,350,000
..,
~
.., The costs presented in Table 5.1 represent capital improvements required to meet both
---.1 mandated water quality regulations and system capacity improvements required to meet current
-, and future water demands. Of the $18,700,000 in proposed improvements, it is estimated that
....J $2,565,000 are for capacity upgrades, and $16,135,000 are for upgrades to meet water quality
-, requirements.
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SECTION 6
...,
....J WATER SYSTEM OPERATIONS
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..., A. GENERAL
o....J There are a number of operational issues which have the potential to impact the ability of
the Andover water system to deliver the quality and quantity of water their customers require.
..,
...J These are the ability to meet chlorine residual goals, and operation of wells in a two pressure
zone system. In addition, this section will address operational changes which will be
., implemented with the proposed system modifications.
u
..., B. CHLORINE RESIDUAL
...J The City of Andover has had chlorine demand studies performed on wells #2 and #4
.., (April 30, 1998) and on wells #1, #3 and #5 (July 8,1998).' In these studies, chlorine demand
L1 was determined for the raw water for each of wells 1,2,3,4 and 5. Recommendations were
made regarding chlorine dose levels for each well. These dose levels did not take into account
.., the potential chlorine demand from the polyphosphate fed for iron and manganese sequestering.
...J
In addition, chlorine dose data for the first 9 months of 2000 appear to indicate that chorine doses
..., are below the levels recommended in the studies. Dose rates below the demand level of the .
o....J water will result in a chlorine demand in the distribution system. This may be the source of
..., varying total and free residual chlorine readings in the system. We recommend the following
...J steps:
. recalculate the chlorine demand for wells 1,2,3,4 and 5, including the demand
...,
...J caused by polyphosphate addition;
. determine the chlorine demand for wells 6 and 7, including polyphosphate demand;
--, adjust the chlorine feed at each well based on the updated determination of chlorine
.
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C. WELL OPERATION n
Wells 1 and 2 are pumped to the west pressure zone. Wells 3, 4, 5, 6 and 7 pump to the L.J
east pressure zone. Because the west zone is at a lower pressure than the east zone, wells 1 and 2
do not provide true redundancy for the east pressure zone. The current practice of feeding water n
from the east zone to the west zone through a control valve will need to be continued until a L.J
single pressure zone system is accomplished. n
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D. OPERATIONAL MODIFICATIONS r-,
Implementation of the proposed water system improvements will significantly alter L.J
several areas of operation. Well operation will be prioritized based on operation of wells feeding ,,-,
the water treatment plant, followed by peaking wells prioritized by water quality and demand. L.J
Storage towers will operate with a single zone. Cybernet runs of the distribution system show
that feeding the system from a single point (the proposed water treatment plant) will provide n
adequate flow and pressure. However, the eastern towers will fill too quickly, thus causing water L.J
to stagnate in the western tower. An altitude valve will be required at the eastern tower due to its ,..,
close proximity to the water treatment plant. LJ
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....j RECOMMENDATION AND IMPLEMENTATION
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SECTION 7
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;..j RECOMMENDATION AND IMPLEMENTATION
...,
;..j
A. GENERAL
--,
;..j This section will present the following:
. summary of recommended capital improvements to the water supply, treatment and
-, storage system;
..J . summary of proposed modifications to water system operations;
. implementation schedule;
...,
. preliminary review of impact on water user rates over the next 10 years.
;..j
..., B. RECOMMENDED CAPITAL IMPROVEMENTS.
u We recommend that the City begin construction of new wells as outlined in Alternate
..., No.1 in Section 5. This schedule is presented in Table 7.1 as follows.
;..j
TABLE 7.1
..., PROPOSED WATER SUPPLY IMPROVEMENTS
;..j Item Date Estimated System Required
Cost Firm Firm
'-' Capacity Capacity
u (gpm) (gpm)
., 1. Construct Well #8 2001 $ 715,000 6,950 7,201
;..j 2. Construct Well #9 at Well House #1 2002 715,000 7,550 7,448
..., 3. Abandon Well #1 2002 50,000 7,550 7,448
..J 4. Drill Well #11 at Well House #3 2003 250,000 8,400 7,696
..., 5. Drill New Well #10 at Well House #2 2004 715,000 8,400 7,943
'-.J 6. Abandon Well #2 2004 80,000 8,400 7,943
..., 7. Drill Well #12 (drift well) 2006 800,000 9,900 8,437
;..j 8. Drill Well #13 (drift well) 2012 800,000 11,650 9,836
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The total cost of water supply improvements is estimated to be $4,125,000. n
Abandonment of wells No.1 and No.2 may be delayed if the City chooses to retain the option of LJ
building additional wells for blending with these wells at a future date. The projected 2020 firm
supply capacity is projected to be 11,477 gpm. We have conservatively estimated the available ....,
flow from wells No. 12 and 13 at 1,750 gpm each. LJ
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2. Water Treatment LJ
We recommend that the City begin planning for the construction of a single, 6200 gpm
water treatment facility. This facility, when operated over a 16 hour day, will produce 5.95 r1
million gallons per day of filtered water. This is adequate to treat the summer month average LJ
day demand of 5.51 mgd (Design Year 2020). We estimate that this will provide filtration of all n
water entering the distribution system 90% of the time in the design year 2020. Estimated LJ
capital cost for the water treatment plant is $8,335,000.
n
3. Water Storage LJ
We recommend that the City begin the construction of a new 2.0 MG water tower with n
completion scheduled for late 2003. This tower is required to meet storage capacity LJ
requirements, as well as to improve overall system supply and storage redundancy. ,..,
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C. IMPLEMENTATION SCHEDULE
Table 7.2 summarizes the proposed implementation schedule and estimated cost for each rl
project. LJ
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...., TABLE 7.2
~ PROPOSEDIMWLEMENTATIONSCHEDULE
Item Date Cost
....,
c.J 1. Construct Well #8 2001 $ 715,000
...., 2. Construct WTP 2002 8,335,000
c.J 3. Drill New Well at #1 (Well #9) 2002 715,000
...., 4. Abandon Well #1 2002 50,000
;.j 5. Drill New Well at #3 (Well #11) 2003 250,000
...., 6. Construct 2.0 MG Water Tower 2003 2,400,000
~ 7. Drill New Well at #2 (Well #10) 2004 715,000
...., 8. Abandon Well #2 2004 80,000
...J 9. Drill New Drift Well (Well #12)w/wtp 2006 3,800,000
.., 10. Drill New Drift Well (Well #13)w/wtp 2012 3,800,000
.....J Total Capital Cost $18,700,000
..,
.....J D. FINANCIAL IMPACT
..., Table 7.3 presents a summary of the project's impact on water usage rates and
.....J average quarterly water bills over the next 10 years. We have presented both the current
r, charge system with planned rate increases, and the proposed rate increases required to fund
.....J the proposed capital improvements. Assumptions made for the financial projections are as
...., follows:
.....J
.., - Debt service for capital improvements is based on securing loans at 5% interest rate
c.J and a 20-year term.
...., - Water use for an average customer is estimated to be 25,200 gallons per quarter. This
...J value is used for calculation of average quarterly water bills.
...., - For financial projections, estimates for annual housing starts were conservatively
.....J estimated at 250 per year for the next 10 years, which is approximately 10% less than
...., Comprehensive plan estimates for housing starts.
~
....,
;.j
City of Andover, Minnesota - M23.31784 Page 7-3
...., Comprehensive Water Plan Supplement Prepared by Bolton & Menk, Inc.
'-.J
n
LJ
r1
u
r1
Proposed financial impacts can be s~arized as follows: LJ
- User fees are projected to increase by an average of approximately 5% a year over the
n
next 10 years. LJ
- Connection and area charges to new users are projected to increase by an average of
approximately 5% a year over the next 10 years. Charges to new customers could be n
increased over the projections presented in this report, which would allow user rates LJ
to be reduced from those projected. n
- Appendix D contains spreadsheet information regarding the detailed calculation for LJ
the proposed rates. n
LJ
n
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n
LJ
n
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n
LJ
n
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n
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n
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n
Ll
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City of Andover, Minnesota - M23.3 J 784 Page 7-4
Comprehensive Water Plan Supplement Prepared by Bolton & Menk, Inc. n
LJ
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---J
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.-'
...j
..., APPENDIX A
...j
..., Drinking Water Standards
...1
...,
---J
...,
---J
...,
---J
...,
---J
...,
---J
...,
---J
...,
_J
...,
~
...,
.....J USEPA Primary Drinking Water Standards for Regulated Contaminants
..., Standards
.....J MCLG MCL
Contaminant Regulation Status mgIL mgIL
..., Organics
.....J Acrylamide Phase II Final zero IT
Alachlor Phase II Final zero 0.002
..., Aldicarb Phase II Delayed 0.001 0.003
Aldicarb sulfone Phase II Delayed 0.001 0.002
.....J Aldicarb sulfoxide Phase II Delayed 0.001 0.004
Atrazine Phase II Remanded 0.003 0.003
..., Benzene Phase I Final zero 0.005
.....J Carbofuran Phase II Final 0.04 0.04
Carbon tetrachloride Phase I Final zero 0.005
..., Chlordane Phase II Final zero 0.002
...J 2,4-D Phase II Final 0.Q7 0.07
Dalapon Phase V Final 0.2 0.2
Dibromochloropropane (DBCP) Phase II Final zero 0.0002
..., p-Dichlorobenzene Phase I Final 0.075 0.075
...J o-Dichlorobenzene Phase II Final 0.6 0.6
1,2-Dichloroethane Phase I Final zero 0.005
..., I,l-Dichloroethylene Phase I Final 0.007 0.007
-.J cis-I,2-Dichloroethylene Phase II Final 0.Q7 0.Q7
trans-I,2-Dichloroethylene Phase II Final 0.1 0.1
..., Dichloromethane (methylene chloride) Phase V Final zero 0.005
1,2-Dichloropropane Phase II Final zero 0.005
.....J Dinoseb Phase V Final 0.007 0.007
Diquat Phase V Final 0.02 0.02
..., Endothall Phase V Final 0.1 0.1
.....J Endrin Phase V Final 0.002 0.002
Epichlorohydrin Phase II Final zero IT
.., Ethylbenzene Phase II Final 0.7 0.7
Ethylene dibromide (EDB) Phase II Final zero 0.00005
.....J G1yphosate Phase V Final 0.7 0.7
Heptachlor Phase II Final zero 0.0004
..., Heptachlor epoxide Phase II Final 0.0002
zero
.....J Hexachlorobenzene Phase V Final zero 0.001
Hexachlorocyclopentadiene Phase V Final 0.05 0.05
-., Lindane Phase II Final 0.0002 0.0002
.....J Methoxychlor Phase II Final 0.04 0.04
Monochlorobenzene Phase II Final 0.1 0.1
..., Oxamyl(vydate) Phase V Final 0.2 0.2
Pentachlorophenol Phase II Final zero 0.001
.....J Picloram Phase V Final 0.5 0.5
Polychlorinated byphenyls (PCBs) Phase II Final zero 0.0005
..., Simazine Phase V Final 0.004 0.004
.....J Styrene Phase II Final 0.1 0.1
2,3,7,8-TCDD (dioxin) Phase V Final zero 5 x 10'.
..., Tetrachloroethylene Phase II Final zero 0.005
Toluene Phase II Final 1 1
.....l Toxaphene Phase II Final zero 0.005
2,4,5- TP (silvex) Phase II Final 0.05 0.05
..., 1,2,4- Trichlorobenzene Phase V Final 0.Q7 0.07
.....J 1,1,1- Trichloroethane Phase I Final 0.2 0.2
I, I ,2- Trichloroethane Phase V Final 0.003 0.005
...,
.....J
...,
'-.J
n
L.J
USEPA Primary Drinking Water Standards for Regulated Contaminants
Standards n
MCLG MCL L.J
Contaminant Regulation Status mgIL mgIL
n
Inorganics
Antimony Phase V Final 0.006 0.006 L.J
Arsenic Interim 0.05
Asbestos (fibersll > 10 j.lm) Phase II Final 7MFL 7MFL n
Barium Phase II Final 2 2 L.J
Beryllium Phase V Final zero 0.001
Cadmium Phase II Final 0.005 0.005 n
Chromium (total) Phase II Final 0.1 0.1
Copper Lead and Final 1.3 IT L.J
Copper
Cyanide Phase V Final 0.2 0.2 n
Fluoride Fluoride Final 4 4 L.J
Lead Lead and Final zero IT
copper n
Mercury Phase II Final 0.002 0.002
Nickel Phase V Remanded 0.1 0.1 L.J
Nitrate (as N) Phase II Final 10 10
Nitrite (as N) Phase II Final I I n
Nitrate + nitrite (both as N) Phase II Final 10 10 L.J
Selenium Phase II Final 0.05 0.05
Sulfate Sulfate Proposed 500 500 n
Thallium Phase V Final 0.0005 0.002 L..J
Radionuclides
Beta-particle and Interim 4 mrem n
photon emitters Rad Proposed zero 4 mrem L..J
Alpha emitters Interim IS pCi/L
Rad Proposed zero IS pCi/L n
Radium-226 + 228 Interim 5 pCi/L
Radium-226 Rad Proposed zero 20pCi/L L.J
Radium-228 Rad Proposed zero 20 pCi/L
Radon Rad Proposed zero 300 pCi/L ,...,
Uranium Rad Proposed zero 20j.lg!L L..J
Microbials
Giardia lamblia SWTR Final zero IT n
Legionella SWTR Final zero IT L..J
Standard plate count SWTR Final NA IT
Total colifonns TCR Final zero n
Turbidity SWTR Final NA PS
Viruses SWTR Final zero IT L..J
Abbreviations: n
MCLG - maximum contaminant level goal
MCL - maximum contaminant level LJ
IT - treatment technique n
Source: Federal Drinking Water Regulations Update, Frederick W. Pontius, Journal of A WW A
91(3), March 1999. u
n
LJ
n
LJ
n
LJ
....,
....J
-,
....J Table 2. Next Steps for Contaminants on the CCL
= ' - Regulato~ --I] ---. ------Res~;~h Pri~rities -- - ! ----- -- - --
n t . . i Analytical Occurrence
e ennmatIon I Health Treatment p' ..
P. .. I Methods non tIes
-, nontIes i Research Research
....J ' Research
Acanthamoeba (guidance) ! Aeromonas I Adenoviruses I Adenoviruses Adenoviruses'
...., I hydrophila I
1,1,2,2.tetrachloroethane I I Aeromonas hydrophila Cyanobacteria (Blue- Aeromonas hydrophila
....J Cyanobacteria (B1ue-/ green algae), other
. . I green algae), other . freshwater algae, and .
l,l-dlchloroethane ! freshwater algae, and CyanobacterIa (Blue- their toxins CyanobacterIa (Blue-
......, 1 their toxins I green algae), other ! green algae), other
. i I freshwater algae. and I freshwater algae. and
",-J 1.2,4-tnmethylbenzene I I their toxins I Caliciviruses their toxins.
i Cal iciviruses! i
..., 1,3-dichJoropropene i I Caliciviruses I HeIicobacter pylori Caliciviruses.
I Helicobacter pylori ! i
....J 2,2.dichloropropane, I Coxsackieviruses I Microsporidia Coxsackieviruses (ICR
i Microsporidia I (lCR data) i data)
...., I Aldrin i , ! 1,2-diphenylhydrazine
I Mycobacterium . Echoviruses (ICR I Echoviruses (ICR data)
....J Boron I avium intercellulare I data) 2 4 < . hi h I
i (MAC): I , ,~tnc orop eno
. I I Helicobacter pylori.
...., Bromobenzene i. Helicobacter pylori 124 d' hi h I
1 I-dichloropropene i . - Ie orop eno
....j ! j , !.. . I Microsporidia.
, Dieldrin I... I Mlcrospondl8 12" h I
. ,4-(hmtrop eno
, 1,3.dlchloropropane I Ph I 1 2 d' h Ih d . .
...., I t eno s . . Ip coy y razme
Hexachlorobutadiene i I Mycobacterium avium
....J I Aluminum intracellulare (MAC) 2 th I Ph I 24 < . hi h I'
i r -me y - eno . ,u-tnc orop eno
p-Isopropyltoluene I I
..., DCPA mono-acid & Aluminum ..
1 di-acid degradates i Acetochlor 2,4-dlchlorophenol
....J Manganese i I
i Methyl bromide II MTBE Alachlor ESA 2,4.dinitrophenoI'
Metolachlor I I
-, i Perchlorate . .
I MTBE I Fonofos 2,4-dmltrotoluene
....J Metribuzin I I
Perchlorate I Perchlorate 2.6-dinitrotoluene
...., Naphthalene,
....J .,' Sodium (guidance) I RDX 2.methyl.phenol'
Organotms
.1 I Alachlor ESA' and
....., Triazines & degradation I Acetochlor"
....J products (incl.,but nOtlimitedl'.
to Cyanazine and atrazine- I OCP A mono.acid & di-
desethyl) I acid degradates
...., I
....J ~b I ~
I
...., Vanadium i , I Diazinon
I '
I I , I
......J i I I Disulfoton
! I I
i I
..., I l Di~n
....J I I '
; i I EPTC
t I I
...., - jl i I
....J
....,
....J
n
u
n
I I Fenoras. u
I I
I , ,..,
I Linuron
,
I L1
Mol inate
,..,
MTBE
U
Nitrobenzene
n
I Perchlorate
U
i I Prometon
I ,..,
i
, I RDX. U
! I
I i Terbacil ,..,
I
I Terbufos U
The groupings in Table 2 are based on current infonnation. and some movement of contaminants between ,..,
categories can be expected as more infonnation is evaluated and analyzed. U
. Suitable analytical methods must be developed prior to obtaining occurrence data. ,..,
U
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n
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n
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,..,
u
,..,
u
,..,
u
...,
...J Drinking Water Contaminant Candidate List Page 1 of1
..,
.....J Figure 1. The CCL and Next Steps
..,
.....J CU 2001 Decision
.., Regulatory
Determination
...J Priorities: 20
..,
...J
Next
.., Anal,uc-al Methods: 1.5 CU
...J (21113)
..,
...J
...,
...J
...,
...J
...,
...J
..,
...J
..,
...J
-,
...J
..,
...J
...,
...J
..,
.....J
...,
...J
..,
.....J
-,
.....J http://www.epa.gov/safewater/ccllcclfs.html 11/20/2000
....,
-...J
....,
-...J
....,
-...J
....,
-...J
...,
...J
...,
...J
....,
...J
....,
_J
....,
...J APPENDIX B
....,
-...J Source Water Quality Data
....,
...J
....,
-...J
....,
...J
....,
...J
....,
-...J
....,
...J
....,
...J
....,
-...J
....,
-...J
......,. .....J ..'\.u" '-NUotUVI...I' I U'uL-.l."-' WUI\.l'\..:,J ou b4"~"b t"'.1:IJ.
.-" '''' ..., .....JJI
~-, r.:.
""'Y'
-1 ': c.c.-
...., I : minn~sota department of health 9-;.1-fo
-1- i 717 S.I. d91~warul p.o.. box 9441 mlnneapolls 55440
, ,
: (Gl~ ~sooi- .
...., - ' . September 20, 1988
: , ..
'-.J :.
. , Oale I;..r....
Andove~ Citl Council p~-rr Fax Note 7671
...., clo Ms.: Vie: i Yolk, Clerk Tot!fI<.L.. e#A-~G Frvm8~*,.J 1:4 t.-
.j , City H~l1 CoJOc:pl. Co..~r'7 ~ '1'b,.~"c:nc-
1685 Crosstown Boulevard, N.W.
. Andove~, Minnesota 55304 ~. Phon.. 'I $:r- g 1If?'
...., , Fax' ?$'~_ (;.~~.,
Fox. b y.q,. 9v."e- .
-1 : Dear C~uncil Members: .
,- - . -,;-. "'."''bo''''T,..............-,,''''~'-r-.''.._ -~ ~ -~......_.pr-.,...,.."'~.;:~~
...., As previously mentioned in'our April 12 and August ~, 1988, letters, past
results of radiochemical analyses conducte~on your water system have
-1 indicated the combined radium .maximum contaminant lev.el (MCt.) has been
exceedep. The Department,is'now in the process of analyzing 'samples from
...., your w~ier system for four consecutive qua~ters. The results from these
-1- four an~lyses will be averaged (to represent what the yearly exposure to
radium ~n your water is for a tY)ical consumer), and the averaye will be
, compare~ to the State and Federa drinking water standard (MCL of
...., 5 picoCurr'iesl1iter (pCi/l). If the average concentration exceeds the
-1 MeL, Y01,i \'till then be re~uired to provide )Ublic notice to your water
consumers of the MeL vio ation. Additiona ly, you will need to study'the
...., alterna~ives available to reduce the radium levels in your water system
. and ultlmately to implement the best alternative for achieving the neces-
-u sary renuction in radium. If the average of the additional sam~les is
below the MCl, then ho action will be required on your part; and we will
...., continue to monitor the radium levels at the normal sampling frequency of
-1 . every f~ur years.
:
: Below 15 a summa~y of the results to date:
....,
: First Quarter Second Quarter Third Quarter
-1 (Ol/11/M) (O5/06/88) (09/19f88) Average &
...., : ; radium ;. 18.9 14.7 16.,2 " 16.6 5
.
--..J !..
: (All le~eis in pc;/~.)
...., . As preYlous ly ment ioned, a fourth quarter samp l~ wil'l be anaJyzed to deter-
-1 . mine ye~r-long exposure; however, it appears certain that the radium Mel
. will be:exceeded. The City may wish to begin studying the alternatives
...., : available to them to reduce the radium levels to below acceptable limits.
-1 I.
. If you ~ave any questions, please contact Dick Clark at 612/623~5227.
...., : " Sincerel~ yours, ~
.
...J "
~"~
....,. ;
. 'j Gary L. Englllnd, P.E., Chief
-1 " ~ Section of Water Supply
, and Engineering
...., : GLE;p.odter-
r
..J 'an equal op~ortunlty employer
. . :
.
....,
.J TOTAL P.0!
....,
-1
-
....,
-1 7Ut6t ~ U'atu ~, '7fU:,
....,. 61713th AVE. SO.
. HOPKINS, MINNESOTA 55343 . . 935-3556
...J
...."..
c..J T.K.D.A. & Associates February 8, 1986
2500 American Bank Building
...., St. Paul, Mn. 55101
.j
Attention; Mr. Curt Johnson.
....,
-1 REPORT OF WATER ANALYSIS
...., eeCeiyed from you) on January 27,1986
Our laboralory reports these analytical results, determined on a sample
-1 t_~ t..~s
....,~
-1; .
...., Well water
-1 fran
City of Andover
...., Well #2
...J.....
....,. . Iron 7.0 mg/l
,
.. Manganese 0.1 mg/l
-J
I
!
...., I
-1
I
...., I
~J' I
,
,
I
....,' I
,
-1 I'
I
!
t
...., I
-1 ,
i
...., I
-1 i
:
-,.. Twin City Water Clinic, Inc.
:
--! . .
...., ~
-......-
...J
f.AnalyUcallabor.atory Bill Van Consulting engine"
-
...., Wal.,.naIYlla ,..oents Boil.r wat.r chemical.
-
-1
...., 17.1. pan./mlllion equall 1.0 grain/ganon
c..J
....,
--J' 7~ ~ U'atut~, 1~~
....,; 61713lh AVE. SO. . HOPKINS, MINNESOTA 55343 . 935-3556
c.J,
....,''"' .
! -,
....j T.K.D.A. & Associates February 8, 1986
....,: 2500 American Bank Building
St. Paul, Mo. 55101
-1'
....,,. - Attention; Mr. Curt Johnson.
-1: . REPORT OF WATER ANALYSIS
eeceived Irom yOU) November 21. 1986
....,; Our laboratory reports these analytical results, determined On . sample l on
hi I~
...J:
.-,f'-
-1' : Well water
fran
...., City of Andover
-1: \.Jell #2.
....,:
-1~~ Alkalinity 225.0 erg/I
Total Hardness 230.0 erg/I
.., : Calcium Hardness 155.0 erg/I
-1 Magnesium Hardness 75.0 erg/I
O1lorides 84.0 mg/I
Sulfates 4,0 mg/l
...., pH 7.6 -
-1 pH, Langlier Index 7.5 -
Total Coliform Bacteria less than 1/100 rnl
....,. , Nitrate nitrogen 0.0 rrg/I
....j: . Total Phosphate 0.1 rrg/l
Total Solids 138.0 erg/I
....,: Total Dissolved Solids 288.0 erg/I
-1 fluoride less than 0.1 mg/l
Iron 6.0 erg/I .
...., Iron Bacteria Absent
Manganese 0.05 mg/I
..J Sodium 45.0 erg/I
Potassinn..I 7-.0 erg/I
...., Calcium 155.0 rrg/l :
-1 Total Solids, as Alkalinity 130.0 erg/I
....,..
-1 Twin City Water Clinic, Inc.
...., ~le
-1 Con.ulUng .ngin..,
Ano'yllcolloborotory
Wit.., In.lyall r..oentl Boil,r wat., chemlc.ls
....,
-1
...., 17.1 p.,11/mUJlon .quals 1.0 grainlgatlon
--J
..
...., 7~ ~ 7P~~, 1~.
-1:
61i 13th AVE. SO. . HOPKINS. MI!'.:1\.ESOTA 55343 . 935-3556
....,
J
....,,. ~ T.K.D.A. & Associates January 17, 1986
2500 American Bank Building
-1 St. Paul, Mn. 5510t
...., Attention; Mr. Curt Johnson.
-1
....,
~ REPORT OF WATER ANALYSIS
(reCe;ved Irom yOU) ~ovember 21, i98~
...., Our laboratory reports these ar.alytical rnulls, determined on a sample on
.u.~$
-1
...,:
-1;
..., Well water
-1 from
City of Andover
..., Well #2
...Jt:.:
...., . Alkalinity 225.0 mg/i
.f Total Hardness 230.0 mg/l
~j Calcium Hardness 155.0 mg/i
...., Magnesium Jardness 75.0 mg/l
Chlorides 84.0 mg/l
;....J Sulfates 4.0 mg/l
pH 7.6-
,. pH, Li3:nglier Index 7.5 -
-....1 Total coliform Bacteria less than 1lIOO ml
Nitrate nitrogen .0.0 mg/l
...., Total Phosphate 0.1 mg/l
-1 Total Solids 138.0 mg/l
Total dissolved Solids 288.0 mg/l
...., Fluoride less than 0.1 rng/i
Iron 6.0 rng/l
-1 Iron Bacteria Absent
....,
.J
....,:
-1 Twin City Water Clinic, Inc.
...., ...~~
\
-1 . Bill Van Arsdale .., _.. . ,.
Ar..I)"Uc.r r.bor'l~ry Conlut1lng engln..,
e.. ." ....
, \I,",t., .na!f'l!a n.g.n!. 8oi1.,,,,,,..i~, eh.mic:.h
-.J
...., 17 , p"~I.rn;u;"1\ .,:;_". l.t ~'.:~;llIon
-1
-'r.':.}~~.".';:. .,...~.~ . R-~PORT;bF LABOAATORY.ANAL~SIS o:~c'~~6~~;~~Ir~.~fu.riesc:
~.".-'i 1::;:'" ,. .' . . ' TamfJ~ rlond~
: ,;.:.. ubiDtones. L1C . . CJ:lrarv~lIe, Iowa
....,
"Ij ;.H. Renner & Sons Dece'mber 07, 1987
15688 Jarvi s street NH PACE Project Numbe.r: 871030528
......- Elk River. HN 55330 .'
-1 .
Attn: Hr. Roger Renner
-,
-1. Andover . ..:
-, Date Sample(s) Collected; By Client .
-1 Date.Sample(s} Received: 10130187
-, PACE Sample Number: 19333Q 200730 2!)'~7J':'
~ Ceep Hell #3 #3
f.an.m:lli u.nlt~ J1QL & .3.OJll.n.u.lli ~o,:.(.s
-,
-.J, .Alkallnity, Total mgiL I 190 _ _
Ca I c I um mg I L O. 10 52 _ _
...., Chloride . mg/L I NO _ _
-1 Fluoride. soluble mglL 0.1 0.2 _ _
Hardness. Total moIL 1 230 _ ,
........ .. '\.
...... -.
l r ~ri . mg J L 0.05 O. 60 _ _
....:... Iron Recuclng l}act~rla 1 ~l:GATIVE _ _
Hagneslum mg/L 0,10 2S _ _
-, ~anganese mg/L 0.04 0.15 _ _
-1 'Sand Content mgll 1 I 2 ND
-, 50d I CHi mg I L O. I 0 4 , ) _ _
;.j S,III:1~. Tcta I DI :;:;oh'~d m9/L I 200 _ _
S<:>i 10:. Tota! Suspellded Illq/L I NO _ _
-, SIJifate OJ:Ij/L I 29 _ _
-1 ;;'1 ' 0, I 7.6 _ _
" .
NDL ~etJi'od DH':?::tlon 1I;n! t .
-1 ND I,c-t de t~: tea a t or above the 1-<DL.
....,
-1
-,
--J
....,;
-1
....,
-1
-,
-1
....,
--J ,...~~ O~.''''I.''~ ::"..:,,~ ,.:.....,a.. ~.' ~'.~:JO":"I:<e;;. f..:1 ).:;'::'7 ''': Ph,,:n.: : . -..!..: ..:....1
...., . VVEST ANALYTICAL SERVICES
-..J
Page 2
...., COC 516065
-..J'
..,.- .
!. ~
-1. Lab 10: 93-00420 Date
Andover !lell :4 Analyzed
-, ------------------------------------------------------------------------
U
Sand (mg/L) 2.4 .02-02-93
....,
..J Total Solids (mg/L) 168 02-02-93
-, Total Dissolved Solids (mg/L) 132 02-02-93
U Alkalinity (mg/L) 137 02-02-93
..,
Calcium Hardness (mg/L) 99.4 02-02-93
-1, .
Magnesium Hardness (mg/L) 33.6. 02-02-93
....,
..J Total Hardness (mg/L) 133 02-02-93
'J Chloride (mg/L) <4.3 02-02-93
-1._ Sulfate (mg/L)
2.1 02-03-93
-,
, Fluoride (mg/L) 0.24 01-22-93
..J
Iron (mg/L) 0.022 02-02-93
....,
-1 Manganese (mg/L) 0.20 02-03-93
...., Sodi~m (mg/L) 5.35 02-02-93
.j
Calcium (mg/L) 1.63 02-02-93
.. .
..J pH (Units) 8.18 02-03-SJ
....,
-1
..,
..J
.."
-1"
....,
-1
.,
U
..,
-1
...., .
MIDWEST ANALYTICAL SERVICES
~
. Page 2
...., COC 14766
...J
....,..
. .
-1
Lab In: 95-06329 Date
-, One Ga.l~& Analyzed
,-,. ~~\\
...., Sulfa~e (mg/L) 8.3 08-10-95
-1 Chloride (mg/L) <0.5 08-10-95
-, iron Bacteria (PIA) Present 08-10-95
...J
Total Dissolved Solids (mg/L) 137 08-10-95
....,.
...J Total Solids (mg/L) 137 08-10-95
...., Sand (mg/L) <1.0 08-11-95
-1 pH (units)
7.80 08-21-95
....,
Alkalinity as CaC03 (mg/L) 111 08-21-95
-1,...
Calcium Hardness as CaC03 (mg/L) 72.5 08-15":95
..,
.
-1- Magnesium Hardness as CaC03 (mg/L) 30.5 08-16-95
,.
...., Total Hardness as CaC03 (by calc.) 103.0 08-16-95
-1 (mg/L)
...., Fluoride (mg/L) 0.27 08-11-95
,
.j Iron (mg/L) 0.052 08-16-95
...., Manganese (mg/L) 0.129 08-15-95
-1
Sodium (mg/L) . 4.37 08-15-95
....,
...J Calcium (mg/L) 29.0 08-14-95
..,
-1
NOTE: Samples will be retained 30 days from the date of report or until
...., the holding time for analyzed parameters expires, whichever comes first.
-1 Samples will be returned if requested within that time.
....,
...J
....,
...J
....,
....J
U.. "..........\oI.a ........... 4 ~U....U.....n.J. UC" nCl\1.. J.O PROGRAM: He
...., CHEMICAL LABORATORY SAMPLE: 9527830
---1 DATE RECEIVED: 10120/95
RE~JRT OF ANALYTICAL RESULTS DATE GENERATED: 12105/95
...., Fi nal Report - Cl i ent Copy PAGE: 1
---1 PROGRAM NAME: COMM VATER SUPPLIES (SAN.) DATE REPORTED:
~1EYffi SITE In FACTI IT'{ NAME ClIY DEe 061995
-1. 10200311 1020031.f ANDOVER ANOKA
...., COI.!. DAT~ COI. I TI ME COLI. TO COI.tECTOR NAME ORIn SAMP
-1 20-0CT-95 0600 1602 Smude Robert
-, FI n Il! ANK I.Y.E:.E. m FIE! n ~lIIHIl 1.Q!l FIE! n !m; POLl RES TRIP Rl ANT<
---1 0 lJ B5lJ43 501
-, SAMP!TNn POINT
IIELL I
-1
SAMPlE COMMENTS
.....,.;
......L .
ANALYSIS/COMMENTS. RESULT REPORT LEVEL UNITS
...., ------------------------------------------ --------------- ------------- ----------
-1 UHIT: BACTICHEM
29 Fluoride, Total 1.9 0.10 mglL
, .) 28 Sulfate, Total 5.6 5.0 mg/L
.,
...../.:; 26 Cyanide, Free < 0.10 0.10 mglL
I 67 Nitrite Nitrogen, Total 0.01 0.01 mg/I.
....,.
------------------------------------------
-1 UNIT: METALS
-,~ 619 Turbidity, Metals Check
Visible Particulate Matter Present
-1 " (Sample digest Required)
635 Antimony SOIlA, Total < 0.60 0.60 ug/L
...., 110 Arsenic SDIlA, Total < 1.0 1.0 ug/L
-1 117 Barium SOIlA, Total 220 20 ug/l.
6110 Beryll i um SOIlA, Total < O.lJO 0.40 ug/l.
...., . 124 Cadmium SDI!A, Total < 0.50 0.50 ug/L
131 Chromium SOIlA; Total < 10 10 ug/L
.j 637 Mercury SDIIA, Total < 0.01 0.01 ug/L
175 Nickel SOIlA, Total < 10 10 ug/L
...., 180 Selenium SDIlA, Total < 5.0 5.0 ug/L
-1 238 Thall i um SDIIA, Total < 1.0 1.0 ug/L
645 Sodium SDIIA, Total 120 0.50 mg/L
...., 600 Digestion son
-1 Digestion completed.
....,.."
-1
....,
-1 UEe t6-
...., *********END OF REPORT*********
DATE SE~T: -
---1
BY: _Y -
....,
.
-1 .
..-....--. -.. --. ,...........-... .... ........,,,...l,, PROGRAM: HC
...., CliEMICAL LABORATORY SAMPLE: 9527829
~ DATE RECEIVED: 10/20/95
RE?ORT OF ANALYTICAL RESULTS DATE GENERATED: 12/05/95
Final Report - Client Copy PAGE: I
....,
-.J. PROGRAM NAME: COM YATER SUPPL I ES (SAN.) DATE REPORTED:
.., r :EYS.N. .
srTF Tn FACT! TrY NAMF Cl.IY. DEe 06 1995
~ 1020034 1020034 ANDOVER ANOKA
.., COLI, OA TF cO! r. TT MF. COU Tn CO! 1 F.GTOR NAMF. DinG SAM?
--...J 20-0CT-95 0800 1602 Smude Robert
...., FI 0 BI ANK IY&. QIR. Frl=r n NUMB LnG. FrFr n RFS POll RFS TRrp Br AN'K
0 11 BS442 501
-1
SAMPLING POrNT
.., . liEU I
-.J.
SAMPLE COMMENTS
....,
-.J.
ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
...., ------------------------------------------ .--------------- ------------~ ----------
:..J .UNIT: ORGANIC CHEMISTRY
465 VOCs in Yater
....,. Acetone < 20 20 ug/L
~ Allyl chloride < 0.5. 0.5 ue/L
...J,-,- Benzene < 0.2 0.2 ug/L
Bromobenzene < 0.2 0.2 ug/L
...., Bromochloromethane < 0.5 0.5 ug/L
-1 Bromodichloromethane < 0.2 0.2 ug/L
Bromoform < 0.5 0.5 ug/L
" Bromomethane < 0.5 0.5 ug/L
:..J n-Butylbenzene < 0.5 0.5 ug/L
sec-Butylbenzene < 0.5 0.5 uti IL
...., tert-Butylbenzene < 0.5 0.5 ug/L
Carbon tetrachloride < 0.2 0.2 ug/L
-1, .. Chlorobenzene < 0.2 0.2 ug/L
Chlorodibromomethane' < 0.5 0.5 ug/L
.., Chloroethane < 0.5 0.5 ue/L
-1 Chloroform < 0.1 0.1 ug/L
Chloromethane < 0.5 0.5 ue/L
....,: 2-Chlorotoluene < 0.5 0.5 uti/L
.J 1I-Chlorotoluene < 0.5 0.5 ug/L
.
1,2-Dlbromo-3-chloropropane < 0.5 0.5 ug/L
....,. 1,2-Dibromoethane < 0.5 0.5 ug/L
.J Dibromomethane < 0.5 0.5 ug/L
Dichlorodifluoromethane < 0.5 0.5 ug/L
I ,2-Dichlorobenzene < 0.2 0.2 uiS/L
....,~ 1,3-Dichlorobenzene ( 0.2 0.2 ug/L
..
...J 1,4-Dichlorobenzene < 0.2 0.2 ug/L
1,I-Dichloroethane < 0.2 0.2 ug/L
...., 1,2-Dichloroethane < 0.2 0.2 ug/L
-.J I,I-Dichloroethene < 0.5 0.5 ug/L
...., **SAMPLE 9527829 CONTINUED ON NEXT PAGE**
, OfC ff ~
-1
...., DATE SE~T: . , ,~,".
BY: /~
-1 '-I
- -. ~~-.~-... . . . t' ltUultf\1'l: He
...., CHEMICAL iABORATORY SAMPLE: 9527829
PAGE: 2
-1
...., ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
-1 -----------------~------------------------ --------------- ------------- ----------
UNIT: ORGANIC CHEMISTRY
...." 465 VOCs in Uater .
-1 cis-l,2-Dichloroethene < 0.2 0.2 ug/L
trans-I,2-Dlchloroethene < O. I 0.1 ug/L
" Dichlorofluoromethane < 0.5 0.5 ue/L
-...J 1,2-Dichloropropane < 0.2 0.2 ug/L
1,3-Dichloropropane < 0.2 0.2 ue/L
2,2-Dichloropropane < 0.5 0.5 ug/L
...., I,I-Dichloropropene < 0.2 0.2 ug/L
-1 cis-l,3-Dichloropropene < 0.2 0.2 ug/L
trans-I,3-Dichloropropene < 0.2 0.2 ug/L
...., Ethyl benzene < 0.2 0.2 ug/L
-1 Ethyl ether II 2.0 ug/L
POSSIBLE LABORATORY CONTAMINATION.
...., Hexachlorobutadiene < 0.5 0.5 ug/L
.J. IsopropYlbenzene < 0.5 0.5 ug/L
p-IsopropYltoluene <- 0.5 0.5 ug/L
...., Methylene chloride < 0.5 0.5 ug/L
~ Methyl ethyl ketone < 10 10 ug/L
Methyl isobutyl ketone < 5.0 5.0 ug/L
Methyl tertiary butyl ether < 2.0 2.0 ug/L
...., Naphthalene < 0.5 0.5 ug/L
~ n-Propylbenzene < 0.5 0.5 ug/L
Styrene < 0.5 0.5 ug/L
...., 1,1,1,2-Tetrachloroethane < 0.2 0.2 ug/L
-1 1,1,2,2-Tetrachloroethane < 0.2 0.2 ug/L
Tetrachloroethene < 0.2 0.2 ug/L
....,. TetrahYdrofuran < 10 10 ug/L
Toluene < 0.2 0.2 ug/L
,-1 1,2,3-Trichlorobenzene < 0.5 0.5 ug/L
...., 1,2,4-Trichlorobenzene < 0.5 0.5 ue/L
,1.1,I-TricQloroethane < 0.2 0.2 ulir/L
-1 1,I,2-Trichloroethane < 0.2 0.2 ug/L
Trichloroethene . < 0.1 0.1 ue/L
-, Trichlorofluoromethane < 0.5 0.5 ulir/L
.J 1,2,3-Trichloropropane < 0.5 0.5 ulir/L
1,1.2-Trlchlorotrifluoroethane < 0.2 0.2 ue/L
...., l,2,4-Trimethylbenzene < 0.5 0.5 ug/L
..J 1.3.5-Trimethylbenzene < 0.5 0.5 ug/L
Vinyl chloride < 0.5 0.5 ulir/L
...., o-}{ylene < 0.2 0.2 ug/L
p&ru-}{ylene < 0.2 0.2 ug/L
.J
....,
..J
....,
..J
...., *********END OF REPORT......... Dfc 06 1995
.J
....,
-1
- -.. r nUllltM: He
CHEMICAL LABORATORY SAMPLE: 9527832
...., DATE RECEIVED: 10/20/95
,
;..j. REPORT OF ANALYTICAL RESULTS DATE GENERATED: 12105/95
Final Report - Client Copy PAGE: 1
...., .
..J PROGRAM NAME: COMM YATER SUPPLIES (SAN.> DATE REPORTED:
"'rl M1i SITE ID FACILITY NAME cra DEe 06 1995
~: J 1020034 1020034 ANDOVER ANOKA
..,. COT I DATE Cot T TT liE COlT TO COLI Er.TOR NAME ORTG 5AMP
20-0CT-95 0800 1602 Smude Robert
~
FLD BLANK IYEE. m FTET 0 NUMB lJ2C. Fr~T n RES POll RES TRTP BI A~Il(
...." . 0 4 BS445 S02
..J'
SAHPLTNG POINT
...., YELL 2
..J
SAMPLE COMMENTS
....,/
..J: ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
------------------------------------------ --------------- ------------- ----------
.., UNIT: BACTICHEM
;..j' J
. .., 29 Fluoride. Total 0.10 0.10 mg/L
''-i 28 Sulfate, Total < 5.0 5.0 mg/L
" 26 Cyanide, Free < 0.10 0.10 me/L
,
-1i;...; 67 Nitrite Nitroeen, Total < 0.01 0.01 mg/L
....,. . ------------------------------------------
-1 - UNIT: METALS
i() 619 Turbidity, Metals Check
...., >= 1 NTU (Sample dieest Required)
635 Antimony SOYA, Total < 0.60 0.60 ug/L
..J 110 Arsenic SDYA, Total < 1.0 1.0 ug/L
117 Barium SOYA, Total 170 20 ug/L
...., 640 ,Beryll i um SOYA, Total < 0.40 0.40 ug/L
-1 124 Cadmium SOYA, Total 1.4 0.50 ug/L
131 Chromium SOIlA, T-otal < 10 10 ue!L
" . 637 Mercury SDIlA, Total < 0.01 0.01 ug/L .
...J 175 Nickel SD1lA, Total < 10 10 ug/L
180 Selenium SDYA, Total < 5.0 5.0 ue/L
...., 238 Thall i um S01lA, Total < 1.0 1.0 ug/L
..J 645 Sodium SDIlA, Total liB 0.50 mg/L
600 Digestion SOYA
...., Dieestion completed.
...J
....,
-1
....,
..J
*********END OF REPORT********* 0."-- ....-. '- 9iCt6~
, h,e 0:'::1"'.: I:
..J BY: r
(~..~ -
..., .
-1
- -.. rl\UurtJ\n: He
...., Cf{EMI.cA~ l;ABORATORY SAMPLE: 9527831
DATE RECEIVED: 10/20/95
-1 RE?ORT OF ANALYTICAL RESULTS DATE GENERATED: 12/05/95
Fi nal Report - Cl i ent Copy PAGE: 1
.,
L1 PROGRAM NAME: COMM YATER SUPPLIES (SAN.> DATE REPORTED:
.......... 'E.YS1i STrF. Tn FAr.T! Try NAMF. GUY. DEe 06 1995
~..: .
~ 1020034 1020034 ANDOVER ANOKA
.., COLL DATE coLL TIME CO LL TO COLLECTOR NAME ORTG SAMP
. 20-0CT-95 0800 1602 5mude Robert
~
FLD BLANK IYEE. m FTEI.D NUMB L.QC. FTF.LD RES POll RES TRTP BlANK
...., 0 4 B5444 S02
..J.
SAMPLING POTNT
...., JELL 2
..J
SAMPLE COMMENTS
....,.
-1. RESULT REPORT LEVEL
ANALYSIS/COMMENTS . UNITS
.., ------------------------------------------ --------------- ------------- ----------
UNIT: ORGANIC CHEMISTRY
L.J 465 VOCs in Uater
Acetone . < 20 20 ug/L
...., ~ Allyl chI ori de < 0.5 0.5 ug/L
~-,. Benzene < 0.2 0.2 ug/L
Bromobenzene < 0.2 0.2 ' u~/L
...., BromochIoromethane < 0.5 0.5 u~/L
, Bromodichloromethane < 0.2 0.2 ug/L
..J
Bromoform < 0.5 0.5 ug/L
...., Bromomethane < 0.5 0.5 u~/L
..J n-Butylbenzene < 0.5 0.5 ue;/L
sec-Butylbenzene < 0.5 0.5 ug/L
tert-Butylbenzene < 0.5 0.5 ue;/L
...., Carbon tetrachloride < 0.2 0.2 ug/L
..J Chlorobenzene < 0.2 0.2 ug/L
Chlorodlbromomethane' < 0.5 0.5 ue/L
...., Chloroethane < 0.5 0.5 ue;/L
..J Chloroform < 0.1 0.1 ug/L
Chloromethane < 0.5 0.5 ue;/L
....,. 2-Chl orotol uene < 0.5 0.5 ue/L
..J 4-Chlorotoluene < 0.5 0.5 ue;/L
1,2-Dibromo-3-chloropropane < 0.5 0.5 ue;/L
1,2-Dibromoethane < 0.5 0.5 ue;/L
...., Dibromomethane < 0.5 0.5 ug/L
-1 Dlchlorodifluoromethane < 0.5 0.5 ue;/L
1,2-Dichlorobenzene < 0.2 0.2 ue;/L
"1>; 1,3-Dichlorobenzene < 0.2 0.2 ug/L
-1 I,ll-Dichlorobenzene < 0.2 0.2 ue;/L
1,I-Dichloroethane < 0.2 0.2 ug/L
..., t,Z-DichIoroethane < 0.2 0.2 ug/L
.J 1,1-Dichloroethene < 0.5 0.5 ue;/L
...., **SAMPLE 9527831 CONTINUED ON NEXT PAGE** . fl(C 2 6 S)
..J DATE SENl: ~ -,
f
BY: i /J.-.r--
...., v/
-1
; .. . - . ....~. .. o.J' .....,... " " - . - . . PROGRAI1: He
~, CHEM~CAL LABORATORY SAMPLE: 9527831
PAGE: 2
:..J
...., ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
LJ ------------------------------------------ --------------- ------------- ----------
UNIT: ORGANIC CHEMISTRY
~r., ~65 VOCs in Vater
'-.1' cis-t ,2-Dichloroethene < 0.2 0.2 ue/L
trans-t,2-Dlchloroethene < O. t O. I ue/L
...., Dichlor.ofluoromethane - < 0.5 0.5 ue/L
! I ,2-Dichloropropane < 0.2 0.2 ug/L
...J 1,3-Dichloropropane < 0.2 0.2 ue/L
....,: 2,2-Dichloropropane < 0.5 0.5 ug/L
t,l-Dichloropropene < 0.2 0.2 ug/L
...J cis-t ,3-Dlchloropropene < 0.2 0.2 ug/L
trans-I,3-Dichloropropene < 0.2 0.2 ug/L
. , Ethyl benzene < 0.2 0.2 ug/L
..J Ethyl ether < 2.0 2.0 ue/L
Hexachlorobutadiene < 0.5 0.5 ug/L
....,'.. Isopropylbenzene < 0.5 0.5 ug/L
-1., p-Isopropyltoluene < 0.5 0.5 ug/L
Methylene chloride < 0.5 0.5 ug/L
-j Methyl ethyl ketone < 10 10 ug/L
Methyl isobutyl ketone < 5.0 5.0 ug/L
;..j Methyl tertiary butyl ether < 2.0 2.0 ug/L
Naphthalene. < 0.5 0.5 ug/L
'-'1' n-PropYlbenzene < 0.5 0.5 ue/L
......J..... Styrene < 0.5 0.5 ug/L
1,I,I,2-Tetrachloroethane < 0.2 0.2 u~/L
...., 1,I,2,2~Tetrachloroethane < 0.2 0.2 ue/L
i Tetrachloroethene < 0.2 0.2 ug/L
..J.
TetrahYdrofuran < 10 10 ug/L
...., Toluene < 0.2 0.2 ug/L
.J 1,2,3-Trichlorobenzene < 0.5 0.5 ug/L
1,2,4-Trichlorobenzene < 0.5 0.5 ug/L
1,I,I-Trichloroethane < 0.2 0.2 ug/L
J ,1,2-Trichloroethane < 0.2 0.2 ug/L
..J Trichloroethene < 0.1 0.1 ue/L
Trlchlorofluoromethane < 0.5 0.5 ue/L
~ 1,2,3-Trichloropropane < 0.5 0.5 ue/L
-1 1,I,2-Trichlorotrifluoroethane < 0.2 0.2 ug/L
I ,2,~-Trimethylbenzene < 0.5 0.5 ue/L
~ 1,3,5-TrlmethYlbenzene < 0.5 0.5 ug/L
-1 Vinyl chloride < 0.5 0.5 ug/L
o-XYlene < 0.2 0.2 ug/L
...., p&m-Xylene < 0.2 0.2 ue/L
-1
...." ,
-1
...,
,
,)
--, **.******END OF REPORT*********
I DEe 061995
_J
....,
-1
..-....-- - -.. --. ,...-..-... ..., '''.0........ Y IWLil<AtI: HC
.., CH:MICAL LABORATORY SAMPLE: 9527833
L J DATE RECEIVED: t 0/20/95
REPORT OF ANALYTICAL RESULTS DATE GENERATED: 12105/95
...., Final Report - Client Copy PAGE: t
Lj PROGRAM NAME: COMM YATER SUPPLIES (SAN.> DATE REPORTED:
-" EYSH. 5 TTE r D FAr.TI {TV NAME em DEe 06 1995
...j 1020034 1020034 ANDOVER ANOKA
.. COLI. DATE CO LI. TI ME COl[. TO COLLECTOR NAME ORIG SAMP
LJ 20-0CT-95 0830 1602 Smude Robert
.., FID BI.ANK I.Y.e.f. m FIEI.D NUMB L.O.C. FiEI D RES POll RES TRIP BlANK
0 4 BS446 S03
-1
-~ SAMPI JUG POINT
, llELL 3
.J
SAMPlE r.OMMFNT~
t.
.J
ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
'I ------~----------------------------------- --------------- ------------- ----------
~ UNIT: ORGANIC CHEMISTRY
465 VOCs in Yater
...., Acetone < 20 20 ue/L
~ Allyl chloride < 0.5 0.5 ue/L
..J__ Benzene < 0.2 0.2 ue/L
Bromobenzene < 0.2 0.2 ug/L
.., Bromochloromethane < 0.5 0.5 ue/L
o..J Bromodlchloromethane < 0.2 0.2 ue/L
Bromoform < 0.5 0.5 ug/L
..., Bromomethane < 0.5 0.5 ug/L
- j n-Butylbenzene < 0.5 0.5 ug/L
sec-Butylbenzene < 0.5 0.5 ug/L
.. tert-Butylbenzene < 0.5 0.5 ue/L
~ ,Carbon tetrachloride < 0.2 0.2 ug/L
Chlorobenzene < 0.2 0.2 ug/L
..., Chlorodibromomethan~ < 0.5 0.5 ue/L
Chloroethane < 0.5 0.5 ue/L
-1 Chloroform < 0.1 0.1 ue/L
Chloromethane < 0.5 0.5 ue/L
..., 2-Chlorotoluene < 0.5 0.5 ug/L
..J 4-Chlorotoluene < 0.5 0.5 ug/L
1.2-Dlbromo-3-chloropropane < 0.5 0.5 ue/L
...., 1.2-Dibromoethane < 0.5 O.S ue/L
Lj Dibromomethane < 0.5 0.5 ug/L
Dlchlorodifluoromethane < 0.5 0.5 ue/L
...., 1.2-Dichlorobenzene < 0.2 0.2 ug/L
!.3-Dichlorobenzene < 0.2 0.2 ug/L
0....1 1,4-Dlchlorobenzene < 0.2 0.2 ug/L
!.I-Dichloroethane < 0.2 0.2 ue/L
.., ~,2-Dichloroethane < 0.2 0.2 ug/L ~
.J 1.I-Dichloroethene < 0.5 0.5 ygi~'- .
nSAMPLE 9527833 CONTINUED ON NEXT PAGE** \jt:" _
...., ATE SENT:-
..J o ~
BY' q~ /
..., .-
-1
IUnn~.;lVLI\ lICrl\l\Lnc.iU ur nc.l'.L.ln ., ,,I PROGRAM: HC
. . -
...., CHEMICAL LABORATORY SAMPLE: 9527833
-1 PAGE: 2
....,
~ ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
------------------------------------------ --------------- ------------- ----------
UNIT: ORGANIC CHEMISTRY
....,. " q65 VOCs in Vater
-1 cis-l,2-Dichloroethene < 0.2 0.2 ug/L
trans-I,2-Dichloroethene < 0.1 0.1 ug/L
...., Dlchlorofluoromethane < 0.5 0.5 ug/L
..J 1,2-Dichloropropane < 0.2 0.2 ug/L
l,3-Dichloropropane < 0.2 0.2 ug/L
...., 2,2-Dichloropropane < 0.5 0~5 ug/L
-1 1,I-Dichloropropene < 0.2 0.2 ug/L
cis-I,3-Dichloropropene < 0.2 0.2 ug/L
...., trans-l,3-Dichloropropene < 0.2 0.2 ug/L
Ethyl benzene < 0.2 0.2 ug/L
..J Ethyl ether < 2.0 2.0 ug/L
Hexachlorobutadiene < 0.5 0.5 ug/L
.., .. IsopropYlbenzene < 0.5 0.5 ug/L
...J. p-IsopropYltoluene < 0.5 0.5 ug/L
Methylene chloride < 0.5 0.5 uglL
...., Methyl ethyl ketone < 10 10 u[/L
<-J. Methyl isobutyl ketone < 5.0 5.0 ug/L
Methyl tertiary butyl ether < 2.0 2.0 ug/L
...., Naphthalene < 0.5 0.5 ug/L
n-Propylbenzene < 0.5 0.5 ug/L
.....l..~,. Styrene < 0.5 0.5 ug/L
1,1,1 ,2~Tetrachloroethane < 0.2 0.2 ug/L
...., 1,I,2,2-Tetrachloroethane < 0.2 0.2 ue/L
.j Tetrachloroethene < 0.2 0.2 ug/L
TetrahYdrofuran < 10 10 ug/L
...., Toluene < 0.2 0.2 ue/L
-1 1,2,3-Trichlorobenzene < 0.5 0.5 ug/L
1,2,4-Trichlorobenzene < 0.5 0.5 ug/L
...., 1,1,I-Trichloroethane < 0.2 0.2 ug/L
~.J J ,I,2-Trichloroethane .< 0.2 0.2 ug/L
Trichloroethene < 0.1 0.1 ug/L
...., Trichlorofluoromethane < 0.5 0.5 ug/L
1,2,3-Trichloropropane < 0.5 0.5 ug/L
..J 1,1,2-Trichlorotrifluoroethane < 0.2 0.2 uglL
1,2,Q-Trimethylbenzene < 0.5 0.5 ug/L
...,. 1,3,5-TrimethYlbenzene < 0.5 0.5 ug/L
-1 Vinyl chloride < 0.5 0.5 ug/L
o-Xylene < 0.2 0.2 ug/L
...., p&m-Xylene < 0.2 0.2 ug/L
<-J
..., ,
<-J
....,
-1
~ *******ffEND OF REPORT*********
,
-1 DEe 061995
....,
.j
'-"""~':>Ull\ U~r~nlnCl'lJ. Ul' ncl\L.lh PROGRAM: HC
...., CHEMICAL LABORATORY SAMPLE: 9527835
-1 DATE RECEIVED: 10120/95
REPORT OF ANALYTICAL RESULTS DATE GENERATED: 12/05/95
...., Final Report - Cl i ent Copy PAGE: 1
....J DATE REPORTED:
PROGRAM NAME: COMM VATER SUPPLIES (SAN.)
.........
~:~ SITE TO FACIUTY NAME crn DEe 061995
-1 102003ll 1020034 ANDOVER ANOKA
...., COlL DATE COLL TIME COlL IO COLLECTOR NAME ORTG SAMP
-1 20-0CT-95 0830 1602 Smude Robert
...,. '=11) Ht ANK IYEE. m FIE! D NUMB lJ2C. FIFT I) RES POll RES TRIP BLANK
'-.! 0 4 BS448 S04
..., 5AMP! ING POINT
c.J ;,rELL /I
...,SAMPlF. r.OMMENT5
,
-l
ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
...., ------------------------------------------ --------------- ------------- ----------
-1 UNIT: ORGANIC CHEMISTRY
465 VOCs in Vater
..., Acetone < 20 20 ug/L
..J..... ~ Allyl chloride < 0.5 0.5 ue/L
Benzene < 0.2 0.2 ue/L
...., Bromobenzene < 0.2 0.2 ug/L
Bromochloromethane < 0.5 0.5 ue/L
c.J Bromadichloromethane < 0.2 0.2 ug/L
Bromoform < 0.5 0.5 ug/L
...., Bromomethane < 0.5 0.5 ue/L
.j n-Butylbenzene < 0.5 0.5, ue/L
sec-ButYlbenzene < 0.5 0.5 ug/L
...., tert-Butylbenzene < 0.5 0.5 ue/L
c.J Carbon tetrachloride < 0.2 0.2 ug/L
Chlorobenzene < 0.2 0.2 ue/L
...., Chlorodibromomethane' < 0.5 0.5 ue/L
-1 Chloroethane < 0.5 0.5 ue/L
Chloroform < 0.1 0.1 ug/L
Chloromethane < 0.5 0.5 ue/L
...., 2-Chlorotoluene < 0.5 0.5 ue/L
.j 4-Chlorotoluene < 0.5 0.5 ug/L
1,2-Dibromo-3-chloropropane < 0.5 0.5 ug/L
...., 1,2-Dibromoethane < 0.5 0.5 ug/L
.....J Dibromomethane < 0.5 0.5 ug/L
Dlchlorodifluoromethane < 0.5 0.5 ue/L
....,. 1,2-Dichlorobenzene < 0.2 0.2 ue/L
-1 1,3-Dichlorobenzene < 0.2 0.2 ue/L
1,4-Dichlorobenzene < 0.2 0.2 ue/L
...., I,I-Dichloroethane < 0.2 0.2 ug/L
1~2-Dichloroethane < 0.2 0.2 ue/L
-1 I,I-Dichloroethene < 0.5 0.5 ue/L.
...., uSAMPLE 9527835 CONTINUED ON NEXT PAGE** DEe t 8 f}.f.
_J DATE SEN"f:
..., BY: 0,-
.J
.j
nLNNC~ULrt UCyrt~LntNI Uf HeALTH . , " PROGRAM: He
,
...., CHEMICAL LABORATORY SAMPLE: 9527835
-1 PAGE: 2
....,
Ll ANALYSIS/COMMENTS RESULT REPORT LEVEL UNITS
------------------------------------------ --------------- ------------- ----------
P""""lf~ UNIT: ORGANIC CHEMISTRY
~ i. q65 VOCs in Vater
-1, cis-l,2-Dichloroethene < . 0.2 0.2 ug/L
trans-l,2-Dichloroethene < 0.1 0.1 ug/L
.., Dichlorofluoromethane < 0.5 0.5 ug/L
..J l,2-Dichloropropane < 0.2 0.2 ug/L
l,3-Dichloropropane < 0.2 0.2 ug/L
..,. 2,2-Dichloropropane < 0.5 0.5 ug/L
c.l l,l-Dichloropropene < 0.2 0.2 ug/L
cis-l,3-Dichloropropene < 0.2 0.2 ug/L
...., trans-l,3-Dichloropropene < 0.2 0.2 ug/L
..J Ethy 1 benzene < 0.2 0.2 ug/L
Ethy 1 ether < .2.0 2.0 ug/L
..,. ~exachlorobutadiene < 0.5 0.5 ug/L
IsopropYlbenzene < 0.5 0.5 ug/L
-1., p-Isopropyltoluene < 0.5 0.5 ug/L
Methylene chloride < 0.5 0.5 ug/L
...., Methyl ethyl ketone < 10 10 ug/L
o...J Methyl isobutyl ketone < 5.0 5.0 ug/L
Methyl tertiary butyl ether < 2.0 2.0 ug/L
...., Naphthalene < 0.5 0.5 ug/L
---L n-ProPYlbenzene < 0.5 0.5 ug/L
Styrene < 0.5 0.5 ug/L
...., 1, I ,1 ,2-Tetrachloroethane < 0.2 0.2 ug/L
-1 l,l,2,2-Tetrachloroethane < 0,2 0.2 ug/L
Tetrachloroethene < 0.2 0.2 ug/L
Tetra hYdrofuran < 10 10 ug/L
...., Toluene < 0.2 0.2 ug/L
-1 1,2,3-Trichlorobenzene < 0.5 0.5 ug/L
1,2,4-Trichlorobenzene < 0.5 0.5 ug/L
.., 1,1 ,I-Trichloroethane < 0.2 0.2 ue/L
-1 ,1 ,1 ,2-Trichloroethane < 0.2 0.2 ug/L
Trichloroethene < 0.1 0.1 ug/L
...., Trichlorofluorometha'lle < 0.5 0.5 ue/L
-1 1,2,3-Trichloropropane < 0.5 0.5 ug/L
1,l,2-Trichlorotrifluoroethane < 0.2 0.2 ug/L
.., 1,2,4-TrimethYlbenzene < 0.5 0.5 ue/L
l,3,5-Trimethylbenzene < 0.5 0.5 ue/L
.j Vinyl chloride < 0.5 0.5 ug/L
o-Xylene < 0.2 0.2 ug/L
...., p&m-Xylene < 0.2 0.2 ug/L
.j
....,.
o...J..
....,
-1
.., *********END OF REPORT*********
-1
DEe 061995
....,
-l
r-=~-J.:!'='t3 J.la'la ( b:LC: c::!c: Ult3..) r.tj.:!/~
....,
-1
INGMAN LABORATORIES, INC. .
I
...., (
L
..J Sf.ln - FHd - W.t.,. - FDUd Nutrlt/un - CI1.mlCIII- MiclTlbl(J/UI1CII/ An,I"., ,
r
~
....,
;.j 2945 34th Ave. So. (34th & E. Lake St.) . Minneapolis, MN 55406 . (612) 724-0121 FAX (612) 724-0603
...., E.H.RENNER & SONS INC - 12/17/97
, 15688 JARVIS STREET N.W. weLt- # ~
..J ELK RIVER, MI/ 55330
., IdentifiCo!ltion Test R~lts:
.J WATER REC.11f21 Alkalinity, Total 159,0 mg/l
ANOOVER WELL WA ER SAMPLE Hardness. Ca 11 O. 0 ~/l
Hardness. ~ 68,0 ~ I
...., Hardness, Total 17f.l. mg/I
~j (IL#25749) Sulfate <0.01 mg/l
pH 7,52
-
...., Co I i form Negat i ve
Nitrate NitrTIen '<0.01 l!l\i/l
'-.J Solids ~Total 190.0 mg/l .
Total 0 ssolvoo Solids 190..0 mg/l
Fluoride 0.09 mg/l
....,
-1
WATER REC. 11~21 . Iron e.'icteria None [let',
...., ANDOVER WELL WA ER SAMPLE Iron ,1. 19 pprn
Man~at'\ese < 0.03 ppm
..J Scxf um 4,7 ppm
(IL#25749) C:llcium 37,0 ppm
...., Diesel Ran~e Organics <1.0 M3/L
<0.02 M3 L ~sol ine R~}lf Illl-o/f1
_J Sand 0,44 M3/L Ir I #'tIP
Sand 0.156 M:3/L ~1000GPM rt
Sa~d 2,33 M3/L . <e I~ fJ4J
...., -
'-.J
....,
-1
....,
..J
....,
-1
....,
-1
....,
-1
....,
-1
..,
-1 TOT~ P.02
....,
.j
....,
...J , 1r1~
/ *
f
I
-,/ SPECTRUM 301 West County Road E2 · St. Paul, MN 55112
.-
c.J ._ (651) 633-0101 · FAX (651) 633-1402
LABS INC
....,
-1 LABORATORY ANALYSIS REPORT
DATE: March 11.1999 PAGE: lOf2 '99 MAR 22 Al'lea:42
....,
-1
CUENT: E.H. Renner & Sons PROJEC1' NO.: 022399-201033
...., 15688 Jarvis St. NW COlLEC1'lON DATE: 2/23/99
-1 Elk River, MN 55330 COlLEC1'ED BY: Client
RECEIVED DATE: 2/23/99
....., PROJEC1' DESCRP.: Andover Well #7
-1 CONTACT: Robert Lium
....,
Sample No.: L19949-1
c.J Sample rD.: UN #578996 ANALYSIS
ANALYSIS UNITS POL RESULT !M111.
...., Alkalinity, Total as CaCO] (310,2) mg/L 10 130 2/25/99
.j Calcium Hardness as CaCO] (200.7) mg/L 10 90 3/02199
Chloride (300.0) mg/L 5 ND 2/24/99
...., Total Coliform Bacteria (SM 9222B) CFU/1oo mL 1 ND 2/23/99
-1 pH of Stability -- --- 8,0 3/02/99
Fluoride (300,0) mg/L 0.5 ND 2/24/99
...., Hardness, Total as CaCO] (200.7) mg/L 10 140 3/02199
Iron Bacteria (SM 9240B) . .. - - Absent 2/23/99
-1 Iron (200.7) . mg/L 0.1 . 0.8 3/02/99
Magnesium Hardness as CaCO] (200.7) mg/L 10 45 3/02199
...., Manganese (200,7) mg/L 0.01 0,09 3/02/99
-1 Nitrate Nitrogen (300.0) mg/L 0.5 ND 2/24/99
Amnwnia Nitrogen (350.1) " rng/L 0.2 0.4 2/24/99
...., lAboratory pH (150,1) . - 0.1 8.0 2/26/99
,
Sodium (200.7) . mg/L -1. . ' ".5 3/02199
-1 Total Dissolved Solids (160.1) - mg/L 20 180 2/24/99
Total s/,lids (160.3) . . mg/L 20 180 3/02199
...., Sulfate (300.0) mg/L 5 6 .2/24/99
...J
....., Note: pH analysis was performed in the laboratory which is beyond EPA recoT1UTlClded holding time.
. '.
-1 ND means Not Detected or beloW reported PQL
...., PQL means Practical Quantification Limit
, mglL means Milligrams Per Liter which is equivalent to Parts Per Million (ppm)
-1 CFU/IOO mL m:~ ,eo.w.ny Forming Units Per 100 Milliliters.
. -
...., .. . . - '.. . . .-' .~ ~ : . . ....... ~.:..-!. ":.'.."j
,. ., l........ ..~ - .
l!,~..:.~.~I...''''~ :..: ;~I r:;...:....\ (Or \ 'SI.,:: ..... .>
-1 ..J\. , ...
:: :...~\..... '.''-~ . '-:';.t,jl"l'..,:~ '.t.,: (":..:,.~..-0: ts,.:..:,;-::;j .I.";~\\" . \\) .r! '..~"..\~-:,":~,="
l;:'~~ r~t~..:'~~ 'lI~?,"\\~ ,y \ ~"~~ .... .. ....
..., ~\:......~V:""'l
\UJ\~ v.,!....~t.~~.._, ~..}:J\ ()~~~('yo.; \f?,...,\\ S\1~...::.....
-1 \l,:u..'\':~.t2.' ~:i,\~t. \:7. \4'!<:.t.)i \3\JC1~) \ "'\l ~I\("(r-::.(~
\:,,V'\\L\:.;r.. t '?-,{~tYC;) V;i) ~.~.';; ~:'\
. - .... .,.It,;
....., loc',_ .:...:', .~..~:' . ftti .. ~ .... 'I:.; ....
...J ' . ...1.......:....... ,. '.: ,;.-;, . .
; -
....,
-1 As a mutual protection. all repoTU an ndnnJlkd in CtJfIjidetttlalil1 aM may "'" be reprodllaJ ucq>tin fIlU wiIhout wrltutr IIIIthorlr.alimr.
......
iii. A member of The Marmen Group of Companies
...., RESULTS
-1
ORIG #: LAB #: 199527837 FIELD #: BS450 HC
....,
.j PWSID : 1020034 NAME: Andover
COLLECTION DATE: 10/20/1995
...., RECEIVED DATE : 10/20/1995
SAMPLING PT : BILLS - ROUND LAKE BLVD. I TYPE: o - DOli
-1 COLLECTOR : 1602 Smude Robert
. COMMENT :
...., RESULT(S)
-1 Gross Alpha in Water 25.0 pCi/L
Gross Beta in Water 16.0 pCi/L
...., Radium 226 5.5 pCi/L
..J Radium 228 5.2 pCi/L
...., ORIG #: LAB #: 199633559 FIELD #: BS6238 HC
cJ .
PWSID : 1020034 NAME: Andover
...., COLLECTION DATE: 10/23/1996
-1 RECEIVED DATE : 10/23/1996
SAMPLING PT : DISTRIBUTION BILLS SUPERETTE ITYPE: B - DOli
...., COLLECTOR : 1602 Smude Robert
COMMENT :
-1 RESULT(S)
Gross Alpha in Water 9.1 pCi/L
...., Gross Beta in Water 7.2 pCi/L
-1 Radium 226 1.7 pCi/L
Radium 228 < 0.74 pCi/L
....,
-1 ORIG #: LAB #: 199817536 FIELD #: BS8341 HC
..., PWSID 1020034 NAME: Andover
:
cJ COLLECTION DATE: 07/07/1998
RECEIVED DATE : 07/07/1998
...., SAMPLING PT : ANOKA COUNTY MAINT SHOP I TYPE: B - DOli
c..J COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT (S)
Gross Alpha in Water 3.2 pCi/L
-1 Gross Beta in Water 3.3 pCi/L
Radium 226 1.6 pCi/L
...., Radium 228 1.7 pCi/L
c..J
...., ORIG #: LAB #: 199831938 FIELD #: BS8567 HC
-1 PWSID 1020034 NAME: Andover
:
...., COLLECTION DATE: 10/13/1998
RECEIVED DATE : 10/13/1998
cJ SAMPLING PT : DISTRIBUTION CITY SHOP ITYPE: B - DOli
COLLECTOR : 1602 Smude Robert
...., COMMENT :
....J RESULT(S)
Gross Alpha in Water < 1.5 pCi/L
...., Gross Beta in Water < 1.2 pCi/L
Radium 226 0.31 pCi/L
-107/05/2000 Page 1
....,
.j
....,
RESULTS
~I Radium 228 < 0.60 pCi/L I
....,
;....J ORIG #: LAB #: 199901673 FIELD #: BS 9013 HC
...., PWS:ID : 1020034 NAME: Andover
~ COLLECTION DATE: 01/27/1999
RECEIVED DATE : 01/27/1999
.SAMPLING PT : CITY SHOP I TYPE: B - DOli
...., COLLECTOR : 1602 Smude Robert
...J COMMENT :
RESULT {S}
...., Gross Alpha in Water 0.83 pCi/L
---1 Gross Beta in Water 2.1 pCi/L
Radium 226 0.35 pCi/L
...., Radium 228 < 0.81 pCi/L
~
ORIG #: LAB #: 199909254 FIELD #:. BS9191 HC
....,
-1 PWS:ID . 1020034 NAME: Andover
.
COLLECTION DATE: 04/28/1999
., RECEIVED DATE : 04/28/1999
.J SAMPLING PT : CITY SHOP ITYPE: B - DOli
COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT{S}
-1 Gross Alpha in Water < 0.87 pCi/L
Gross Beta in Water 0.70 pCi/L
...., Radium 226 0.28 pCi/L
~ Radium 228 < 0.63 pCi/L
., ORIG #: LAB #: 199940154 FIELD #: BS9597 HC
~
PWS:ID : 1020034 NAME: Andover
...., COLLECTION DATE: 11/19/1999
LJ RECEIVED DATE : 11/19/1999
SAMPLING PT : WELL 5 I TYPE: X - E051
...., COLLECTOR : 1602 Smude Robert
COMMENT :
.J RESULT{S)
Radon, Water 135 pCi/L
"I
-1
ORIG #: LAB #: 200015610 FIELD #: .BS0236 HC
....,
---1 PWS:ID : 1020034 NAME: Andover
COLLECTION DATE: 06/13/2000
...., RECEIVED DATE : 06/13/2000
SAMPLING PT : WELL 5 ENTRY POINT I TYPE: X - E051
..J COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT (S)
---1 Radon, Water 241 pCi/L
.,
..J 07/05/2000 Page 2
....,
...J
....,
RESULTS
;..j
ORIG #: LAB #: 199817537 FIELD #: BS8342 HC
....,
-1 PWSID : 1020034 NAME: Andover
COLLECTION DATE: 07/07/1998
...., RECEIVED DATE : 07/07/1998
:..J SAMPLING PT : WELL 1 I TYPE: X - SOli
COLLECTOR : 1602 Smude Robert
. COMMENT :
.., RESULT (S)
:..J Gross Alpha in Water 1.5.9 pCi/L
Gross Beta in Water 1.4.7 pCi/L
...., Radium 226 5.8 pCi/L
-1 Radium 228 5.9 pCi/L
Uranium in Water < 0.1.5 pCi/L
..,
-1 ORIG #: LAB #: 199901674 FIELD #: BS 9014 HC
...., PWSID : 1.020034 NAME: Andover
-...J COLLECTION DATE: 01/27/1999
RECEIVED DATE : 01/27/1999
...., SAMPLING PT : WELL 1 ITYPE: X - SOli
COLLECTOR : 1602 Smude Robert
c.J COMMENT
:
RESULT(S)
...., Gross Alpha in Water 32.8 pCi/L
,
-....J Gross Beta in Water 24.9 pCi/L
Radium 226 6.4 pCi/L
.., Radium 228 7.4 pCi/L
;..j Uranium in Water 0.29 pCi/L
...., ORIG #: LAB #: 199817538 FIELD #: BS8343 HC
:..J
PWSID : 1.020034 NAME: Andover
.., COLLECTION DATE: 07/07/1998
c.J RECEIVED DATE : 07/07/1.998
SAMPLING PT : WELL 2 ITYPE: X - S021
...., COLLECTOR : 1602 Smude Robert
COMMENT :
-1 RESULT (S)
Gross Alpha in Water 1.5.6 pCi/L
...., Gross Beta in Water 1.0.1. pCi/L
.J Radium 226 7.0 pCi/L
Radium 228 4.7 pCi/L
.., Uranium in Water < 0.1.5 pCi/L
...J
...., ORIG #: LAB #: 199831.939 FIELD #: BS8568 HC
;..j PWSID : 1.020034 NAME: Andover
COLLECTION DATE: 10/13/1998
...., RECEIVED DATE : 10/13/1.998
,
-1 SAMPLING PT : WELL 2 ITYPE: X - S021
COLLECTOR : 1602 Smude Robert
.., COMMENT :
RESULT(S)
-1 07/05/2000 Page 3
....,
.j
...., RESULTS
;.j Gross Alpha in Water 38.7 pCi/L
Gross Beta in Water 26.1 pCi/L
..., Radium 226 7.2 pCi/L
~ Radium 228 5.1 pCi/L
Uranium in Water < 0.13 pCi/L
....,
U ORIG #: LAB #: 199901675 FIELD #:. BS 9015 HC
..., PWSID . 1020034 NAME: Andover
.
U COLLECTION DATE: 01/27/1999
RECEIVED DATE : 01/27/1999
SAMPLING PT WELL 2 .
...., . : 1 TYPE: X - S021
u COLLECTOR : 1602 Smude Robert
COMMENT :
..., RESULT(S)
Gross Alpha in Water 30.2 pCi/L
..J Gross Beta in Water 20.8 pCi/L
Radium 226 7.1 pCi/L
...., Radium 228 6.2 pCi/L
-1 Uranium in Water 0.67 pCi/L
..., ORIG #: LAB #: FIELD #:
199817539 BS8344 HC
'-..l
PWSID : 1020034 NAME: Andover
...., COLLECTION DATE: 07/07/1998
-1 RECEIVED DATE : 07/07/1998
SAMPLING PT : WELL 3 ITYPE: X - S031
...., COLLECTOR : 1602 Smude Robert
COMMENT :
-1 RESULT(S)
Gross Alpha in Water 8.4 pCi/L
...., Gross Beta in Water 7.4 pCi/L
-1 Radium 226 3.6 pCi/L
Radium 228 2.5 pCi/L
...,
..J
ORIG #: LAB #: 199831940 FIELD #: BS8569 HC
...., 1020034 Andover
PWSID . NAME:
.
-1 COLLECTION DATE: 10/13/1998
RECEIVED DATE : 10/13/1998
., SAMPLING PT : WELL 3 ITYPE: X - S031
..J COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT(S)
-1 Gross Alpha in Water 21.1 pCi/L
Gross Beta in Water 15.0 pCi/L
Radium 226 4.7 pCi/L
..., Radium 228 3.6 pCi/L
,
-1 Uranium in Water < 0.12 pCi/L
...,
..J
...,
U 07/05/2000 Page 4
....,
-1
...., RESULTS
~
ORIG #: LAB #: 199901676 FIELD #: BS 9016 HC
....,
-...j PWSID : 1020034 NAME: Andover
COLLECTION DATE: 01/27/1999
...., RECEIVED DATE : 01/27/1999
SAMPLING PT : WELL 3 I TYPE: X - S031
~ COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT (S)
;...j Gross Alpha in Water 22.6 pCi/L
Gross Beta in Water 15.3 pCi/L
.., Radium 226 5.1 pCi/L
;.j Radium 228 3.9 pCi/L
Uranium in Water 1.1 pCi/L
...,
~ ORIG #: LAB #: 199817540 FIELD #: BS8345 HC
...., PWSID : 1020034 NAME: Andover
-1 COLLECTION DATE: 07/07/1998
RECEIVED DATE : 07/07/1998
...., SAMPLING PT : WELL 4 ITYPE: X - S041
I COLLECTOR : 1602 Smude Robert
~ COMMENT :
RESULT (S)
1 Gross Alpha in Water < 0.90 pCi/L
~ Gross Beta in Water 1.4 pCi/L
...,
...J ORIG #: LAB #: 199831941 FIELD #: BS8570 HC
PWSID : 1020034 NAME: Andover
..., COLLECTION DATE: 10/13/1998
, ,
;.j RECEIVED DATE : 10/13/1998
SAMPLING PT : WELL 4 ITYPE: X - S041
..., COLLECTOR : 1602 Smude Robert
~ COMMENT :
RESULT (S)
..., Gross Alpha in Water 1.3 pCi/L
, Gross Beta in Water 2.0 pCi/L
.J Radium 226 0.40 pCi/L
Radium 228 1.7 pCi/L
...,
cJ
ORIG #: LAB #: 199901677 FIELD #: BS 9017 HC
....,
, PWSID . 1020034 NAME: Andover
-1 .
COLLECTION DATE: 01/27/1999
..., RECEIVED DATE : 01/27/1999
I SAMPLING PT : WELL 4 I TYPE: X - S041
~ COLLECTOR : 1602 Smude Robert
COMMENT :
..., RESULT(S)
~ Gross Alpha in Water < 0.70 pCi/L
Gross Beta in Water 0.82 pCi/L
..., Radium 226 0.29 pCi/L
I Radium 228 < 0.68 pCi/L
~ 07/05/2000 Page 5
...,
-1
...,
RESULTS
..JI I
...., ORIG #: LAB #: 199817541 FIELD #: BS8346 HC
-1
PWSID : J.020034 NAME: Andover
., COLLECTION DATE: 07/07/J.998
RECEIVED DATE : 07/07/J.998
-1 SAMPLING PT : WELL 5
COLLECTOR : J.602 Smude Robert ITYPE: X - S051
..., COMMENT :
...J RESULT(S}
Gross Alpha in Water 0.94 pCi/L
...., Gross Beta in Water < 0.67 pCi/L
-1
...., ORIG #: LAB #: J.9990J.678 FIELD #: BS 9018 HC
-1 PWSID : J.020034 NAME: Andover
COLLECTION DATE: 01/27/J.999
..., RECEIVED DATE : 01/27/1999
~ SAMPLING PT : WELL 5 ITYPE: X - S051
COLLECTOR : 1602 Smude Robert
...., COMMENT :
...J RESULT (S)
Gross Alpha in Water < 0.73 pCi/L
Gross Beta in Water 1.2 pCi/L
...., Radium 226 0.26 pCi/L
...J Radium 228 < 0.72 pCi/L
.....,
...J ORIG #: LAB #: 200001003 FIELD #: HC
....., PWSID : J.020034 NAME: Andover
I COLLECTION DATE: 01/19/2000
..J RECEIVED DATE : 01/19/2000
SAMPLING PT : WELL #5 ITYPE: X - S051
....., COLLECTOR : 1604 Peterson Karla
, COMMENT
..J :
RESULT(S}
....., Gross Alpha in Water 1.9 pCi/L
! Gross Beta in Water 3.0 pCi/L
-1 Radium 226 5.0 pCi/L
Radium 228 1.3 pCi/L
.....,
...J
ORIG #: LAB #: 200001260 FIELD #: BSOO07 HC
....,
...J PWSID : J.020034 NAME: Andover
COLLECTION DATE: 01/21/2000
...., RECEIVED DATE : 0J./21/2000
SAMPLING PT : WELL #5 I TYPE: X - S051
...J COLLECTOR : J.602 Smude Robert
COMMENT :
...., RESULT(S}
...J Radon, Water J.37 pCi/L
.....,
-1 07/05/2000 Page 6
....,
-1
--
..,
RESULTS
..J
ORIG #: LAB #: 199909255 FIELD #: BS9197 HC
....,
-1 PWSID . 1020034 NAME: Andover
.
COLLECTION DATE: 04/28/1999
...., RECEIVED DATE : 04/28/1999
SAMPLING PT : WELL 6 I TYPE: X.- S061
..J COLLECTOR 1602 Smude Robert
:
. COMMENT :
...., RESULT (S)
..J Gross Alpha in Water < 1.0 pCi/L
Gross Beta in Water 2.7 pCi/L
...., Radium 226 0.36 pCi/L
-1 Radium 228 < 0.67 pCi/L
....,
-1
..,
..J
....,
-1
..,
-1
....,
..J
..,
.J
..,
-1
....,
..J
....,
..J
....,
-1
....,
-1
....,
-1
..,
..J 07/05/2000 Page 7
....,
_1
....,
RESULTS
~
ORIG #: LAB #: 199901696 FIELD #: BS 9021 HC
....,
'-.J PWSID : 1020034 NAME: Andover
COLLECTION DATE: 01/27/1999
...., RECEIVED DATE : 01/27/1999
SAMPLING PT- : WELL 1 I TYPE: B - DOli
-1 COLLECTOR : 1602 Smude Robert
COMMENT :
..., RESULT(S)
~ Arsenic < 1.0 ug/L
....,
,
cJ
...,
i
~
....,
;..j
-,
LJ
...,
...J
-,
.J
-,
...J
-,
...J
....,
-1
....,
..J
...,
-1
...,
~
....,
..J
....,
~ 0772000 Page 1
-1
--, RESULTS
---1
ORIG #: LAB #: 199901697 FIELD #: BS 9022 HC
....,
-1 PWSID : 1020034 NAME: Andover
COLLECTION DATE: 01/27/1999
...., RECEIVED DATE : 01/27/1999
SAMPLING PT : WELL 2 \TYPE: B - E02\
-1 COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT(S}
-1 Arsenic 1.2 ug/L
--,
--1
....,
. J
.-'
. J
--,
~
--,
- j
--,
- j
1
J
--,
j
1
j
1
j
1
j
1
j
1
j
,
j 07/05/2000 Page 1
,
J
...., RESULTS
..J
ORIG #: LAB #: 199901698 FIELD #: BS 9023 HC
-,
PWSID : 1020034 NAME: Andover
-1 COLLECTION DATE: 01/27/1999
RECEIVED DATE : 01/27/1999
-, SAMPLING PT : WELL 3
..J COLLECTOR : 1602 Smude Robert I TYPE: B - E031
COMMENT :
-, RESULT{S)
_J Arsenic 2.3 ug/L
-,
.j
....,
_ J
--,
--l
-,
..J
-,
_J
-,
_ J
-,
- j
-,
J
-,
_ J
---,
J
,
J
,
J
,
J
,
J 07/05/2000 Page .1
,
J
...., RESULTS
...J
ORIG #: LAB #: 199901699 FIELD #: BS 9024 HC
....,
...J PWSID : 1020034 NAME: Andover
COLLECTION DATE: 01/27/1999
...., RECEIVED DATE : 01/27/1999
: SAMPLING PT : WELL 4 I TYPE: B - E041
...J COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT (S)
-1 Arsenic 1.3 ug/L
....,
-1
....,
..J
....,
.j
....,
-1
....,
..J
....,
..J
--,
...J
....,
..J
-,
..J
-,
..J
....,
..J
-,
_ J
-,
.J
-,
- J 07/05/2000 Page 1
-1
J
....,
RESULTS
-1
ORIG #: LAB #: 199901700 FIELD #: BS 9025 HC
....,
-1 PWSID : 1020034 NAME: Andover
COLLECTION DATE: 01/27/1999
...., RECEIVED DATE : 01/27/1999
-1 SAMPLING PT : WELL 5 I TYPE: B -E051
COLLECTOR : 1602 Smude Robert
COMMENT :
...., RESULT(S)
...J Arsenic 1..5 ug/L
"
-1
1
..J
1
--.J
....,
_J
1
--.J
....,
-..J
....,
-1
....,
.J
1
..J
1
..J
1
..J
1
- j
-,
..J
-,
..J
07/05/2000 Page 1
-,
.J
---
....,
I RESULTS
-1
ORIG #: LAB #: 199909259 FIELD #: BS9196 HC
....,
-1 PWSID : 1020034 NAME: Andover
COLLECTION DATE: 04/28/1999
...., RECEIVED DATE : 04/28/1999
-1 SAMPLING PT : WELL 6 ITYPE: B - E061
COLLECTOR : 1602 Smude Robert
. COMMENT :
..., RESULT (S)
-1 Arsenic 12 ug/L
....,
-1
...,
~
....,
-1
....,
-1
...,
-1
....,
~
....,
~
...,
~
...,
~
...,
-.J
...,
~
...,
~
...,
~
...,
- j 07/05/2000 Page 1
-,
-.-J
....,.
..J MINNESOTA
,
....,
...J
....,
...J Protecting, Maintaining and Improving the Health of All Minnesotans
.
...., April 30. 1999
-1
...., Andover City Council .
...J cIa Ms. Vic~i Vol~. Cler~
Andover City Hall
1685 Crosstown Boulevard NW
...., . Andover. Minnesota 55304
..J Dear Council Members:
...., SUBJECT: Quarterly RAD Monitorinq for Andover. Ano~a County, PWSID 1020034
-1 Enclosed are the results of the most current radiochemical analyses conducted on water samples
...., col.lected from your public drin~ing water supply in accordance with. Minnesota Rules. Chapter 4720.
-1 Quarterly monitoring for radiochemicals (RAD) is being conducted on your water supply because
previous test results indicated a combined (Ra226 + Ra228) radium level in excess of 5 pCi!l.
...., Quarterly samples will be collected by the Minnesota De~artment of Health (MDH) from your
distribution system for four consecutive quarters andt e four test results will be averaged and
-1 compared to the maximum contaminant levels (MCL) of: Gross Alpha - 15 pCi!l; Ra226 + Ra228 - 5
pCi/l. If the four quarter average of the test results exceed the MCL. then you will be required
...., to notify the ~UbliC that the MCL has been exceeded, You will not be required to ta~e corrective
action until t e US Environmental Protection Agency (EPA) formally adopts revised RAD MCLs that are
-1 presently being developed, The following is a summary of the results:
...., . ,.~ ......:: ..; " ...".. - . -_U-f -. . ..
.<S~iit1NG-.ROiNT:'" Iltstr.ibiition.: .... .. RESULTS
..J CONTAMINANT: Gross Alpha 'Date Level (pCi/l)
...., MCL: 15,4 pCi/l January 27. 1999 0.8
...J October 13. 1998 Not Detected!
...., July 7. 1998 3,2
-1
Average: 1.3
....,
...J
:: $fi#.~~~l$.:Nt: .j{1.~.~~t~~9~ :.~. ~~. '..:: .;. '.. u.. _:~,/::. .: .:,; ~...,; . RESULTS
....,
Combi ned Level
...J Date Ra226 Ra228 Ra226+228
CONTAMINANT: Radium 226+228 (pCl/l)
...., January 27. 1999 0.4 NO 0.4
...J MCL: 5.4 pCill
October 13. 1998 0,3 NO 0.3
...., July 7. 1998 1.6 1.7 . 3.3
...J NO - Not Detected
...., Average: 1.3
...J
....,
-1 121 East Seventh Place. St. Paul, MN 55101 . http://www,health.state.mn,us
An mua' n(JfJM'h.mitv tmtIln'V'f"'l'
...., .
...J.
Andover City Council -2- April 30. 1999
...., PWSIO 1020034
-1
In addition to the distribution sample results reported above. MDH has also collected investigative
...., sal!1Ples frcxn wells and/or treatment plant(s) in an effort to prOVide you With information that may
help determine which sources of water may be contributing radiochemicals to your distribution
-1 system. These investigative results are for your information only and will not be used in
determining regulatory compliance. The following is a surrmary of investigative results:
....,
;..j (:~PLiNG,POI~}l~~l~il1.::,r:~:~'; .~:.....:::.' .. RESULTS
CONTAMINANT: Gross Alpha Date Level ( Ci 11)
...., .
.J MCL: 15.4pCi 11 January 27. 1999 32.5*
July 7. 1998 15,91
-,
...J
-,
-1
sMPlin~ pbi#t~.~lK:1i~.:':,'..,' ~.:...., . ..... . . .. RESULTS
...., ... ..'
.- ,', .- ..- ., -.-. . .~._. . ~ -..... .... '.~"', . . -..... .. .
-1 Combined level
Date Ra226 Ra228 Ra226+228 (pCi/l)
-, CONTAMINANT: Radium 226+228 7.4
January 27. 1999 6.4 13.8
.J
MCL: 5.4 pCill July 7. 1998 5,8 5,9 11,7
....,
.J
...., Average: 12.8
...J
...., '.~~fitU'lGPOINt'.~.W~it":"a::.\:.', :,. . . ""f
.. .~. _. __1.. RESULTS
-1
CONTAMINANT: Gross Alpha Date Leve 1 ( Ci 11 )
...., MCL: 15.4 pCill January 27. 1999 29.5*
...J October 13. 1998 38,7
-, July 7. 1998 15.6
.J
....,
.J e ramum resu
-, '~P..Mp'~rN~JQtNt'ft~il~tr:~?~~.~~' ~:".:i:,. . .::~,~:::.- .: .'.: ... ~.::,>"'~: RESULTS
.J Combined Level
Date Ra226 Ra228 Ra226+228 (pCl/l)
-, CONTAMINANT: Radium 226+228 7,1 6,2 13.3
January 27. 1999
.J
MCL: 5.4 pCill October.13. 1998 7.2 5,1 12,3
-, July 7. 1998 7,0 4,7 11.7
..J
...., Average: 12.4
.J
....,
...J Andover City Council -3- April 30. 1999
...., PWSID 1020034
-1
...., ;j~'~:uii:pOf:ii-(i:: :ilt ,If:;L:.. 'Jf. ... ... . ~...'. C RESULTS
...J
CONTAMINANT: Gross Alpha Date Level ( ill)
...., MCL: 15.4 pCill January 27. 1999 21.5*
...J October 13. 1998 21.1
...., July 7. 1998 8.4 .
-1 .
....,
...J
'SAMPLIN({POlNT:..WeJ1- #3.... .j;. . .: . ...:.. . RESULTS
....., :, ":;:.:,:." "."' .".., .." . . . :::_.01: . . - "._ ,_... ... .". _ . ..".. .u ...~,_.:... ," ~ _',.
-1 Combined Level
Date Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT: Radium 226+228
...., January 27. 1999 5.1 3.9 9,0
...J
MCL: 5.4 pCi/l October 13. 1998 4.7 3.6 8,3
...., July 7. 1998 3,6 2:5 6,1
...J
...., .. Average: 7.8
...J
.. ....~.... . '. ~. ... ... ... . . .
,SAMRkINa::.pOlfIT:.._WelJ A/4 ;., ... u: ..... RESULTS
...J CONTAMINANT: Gross Alpha Date Level (pCi/l)
...., MCL: 15.4 pCi /l January 27. 1999 Not Detected
...J October 13. 1998 1. 3
.. July 7. 1998 Not Detected
...J
Average: 0.4
..
...J j~~ptJ~~~fQ~~<..~~H/M... . <. ..:{'.. ...... '.:..' .:<.~..,: RESULTS
...., Combined Level
...J Date Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT: Radium 226+228 .
January 27. 1999 0.3 ND 0.3
....,
...J MCL: 5.4 pCi/l October 13. 1998 0.4 1.7 2.1
July 7. 1998 0.4 ND .0,4
-.
...J NO = Not Detected
Average: 0.9
....,
.J
-,
...J
....,
--.J Andover City Council -4- April 30. 1999
P14SID 1020034
..,
-1
. :.; .;~~!:7'-. ..:-:!~'_. . .... -".:.','~ :>. -. j'-: . ....-..
:SAMf!UOO.POl'tfT:...Well#6..:.:. . ,. . ., RESULTS.
.., . - - .. ~_.,.
-1 CONTAMINANT: Gross Alpha Date Level (pCi Il)
MCl: 15.4 pCi 11 Janl;Jary 27. 1999 Not Detected
...., July 7. 1998 Not Detected1
--.J
.., .
..J Average: 0.0
...., ."..- .'1&: ..'r:-.'f-";-.-'.":---;.- .. --,.. ..--;..;-..1+:;"'.-.;.:...;...... .... '"' .;...", "''''''_.'~ir. .____
'iSN1E!tlNfi'POI1rr ,. WiHL#S'-'.' ,..".... ...".. 'oJ RESULTS
~ .::<:..~:.:,,:.~:.~~...,-~;:.:.;_..,;. :l.:~.~..:~:..,.~.~::~::..:..;. '.'::\<_:_.~~~_ ._.;::;........_ ,-'"
. Combined level
...., Oate Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT: Radium 226+228
-1 January 27. 1999 0,3 NO 0.3
MCL: 5.4 pCill July 7. 1998 0.3 N01 0,3
....,
,
-1
...., NO - Not Detected
..J Average: 0.3
...., Radium 226+228 are naturally occurring minerals that are conmonly found in Minnesota groundwater
...j that dra~ from deeper bedrock aquifers. While the current MCL for combined radium is 5 pCi/l. in
1991 EPA formally proposed reviSing the MCLs to 20 pCi/l for Ra226 and 20 pCi/l for Ra228, EPA is
.., now in the process of developing revised MCLs for radium and other radiochemicals.however. until
that process is completed there is considerable debate and controversy as to what level of radium
--.J is acceptable in drinking water.
.., This report should be placed in your records and a Co~y maintained on or near the water supply
.J premises and available for public ins~ection for not ess than ten (10) years. If you have any
questions. please contact Patricia He asy at 651/215-0759. .
....,
....1
.., . Richard D. C ark. P.E.. Supervisor
..J Community Public Water Supply Unit
Drinking Water Protection Section
...., RDC:PAH:cls .
--.J Enclosure /
cc: Water Superi ntendent .
Bob Smude. Metro North District Engineer. St. Paul
....,
-1
..,
~ 1'"
.., lResults have been amended due to a misinterpretation of MDH laboratory data, This report reflects
-1 the change(s} made from previous reports,
.,
...J
....,
.J .. -
...., .
-1 Minnesota Department Of Health - Chemical Laboratory
...., Final. Report - C1ient Copy - Report Of Analytical Results
.J Program: HC Date Received: 27~-1999
Program Name: COHH WATER SOPPLXES (SAN.) Date . Generated: 22-APR-1999
...., Request Page: 1 o~ 2
-1 I SamPles: .9901673 - 9901676 I Date Reported: ~.-; ~~.
. :,.J ~
...., PWS No Site ID Facility Name City .
.
.J 1020034 1020034 ANDOVER ANon
("'n:1'~,..r n... ("'n" 'I'';m~ ColI IO ~n"p~t'nr N;!t",~ Orig Samp
...., 27-JAN-1999 0800 1602 Smude Robert -
.J Fie1.d Blank Type QTR Field Res P04 Res Trip Blank
- B - - - -
..,
..J ISample No: I Receiving Comments:
9901673 -
...., Field No LocID Sampling Point
.J BS 9013 D01 C:I'l'Y SHOP'
...., ****************************** SAMPLE RESULTS ******************************
.J Unit: RAD:IA'1':ION CHEMJ:S'1'RY Resu1t Rept Leve1 Units Ana1vsis Date
...., 808 Gross Alpha and Beta, SDWA 18-FEB-1999
..J Gross Alpha in Water 0.83 0.81 pCi/L
Gross Beta in Water 2.1 0.78 pCi/L
...., 807 Radium 226/228 12-APR~1999
.J Radium-226 0.35 0.17 pCi/L
Radium-228 < 0.81 0.81 pCi/L
...., Isample No: I Receiving Comments:
9901674 -
.J
Field No LocID Sampling Point
...., BS 9014 S01 WELL 1
.J
****************************** SAMPLE RESULTS ******************************
...., Unit: RAD:IA'1':I:ON CHEMJ:S'1'RY Resu1t Rept Level Units Ana1vsis Date
.J
808 Gross Alpha and Beta, SDWA 18-FEB-1999
...., Gross Alpha in Water 32.8 2.6 pCi/L
.J Gross Beta in Water 24.9 1.2 pCi/L
-... .~
807 Radium 226/228 12-APR-1999
...., Radium-226 6.4 0.61. pCilL
.J Radium-228 7.4 1.4 pCi/L
811 Uranium, Water 0.29 0.13 pCi/L 14-APR-1999
....,
.J
....,
~\(
\\1
..J Sample Page :t. of :t.
....,
.....J . ~
....,
-1 Minnesota Department Of Health - Chemical Laboratory
...., J!'ina]. Report - C1ient Copy - Report Of Analytical ResuJ.ts
-1 Program: BC Date Received: 27-o'mN-1999
Program Name: COM!! WATER SUPPLXES (SAR.) Date Generated: 22-APR-1999
.., Request Page: 2 of 2
-1 I Samples: 9901673 - 9901676 I Date Reported:
APR 2 ~ tSSS.
...., PWS No Site ID FaciJ.itv Name City .
.
-1 1020034 1020034 AmXJVE1l ANOn.
rn",:a.r-r nto C'nll Tim':' ColI IO ~nl'Pt'"rnr 'N':=IIImp Orig Samp
...., 27-.nN-1999 0800 1602 Smude Robert -
.....J FieJ.d Blank Type QTR Field Res P04 Res Trip BJ.ank
- D - - - -
..,
.....J Isample No: 9901675 I Receiving Comments:
-
...., Field No LocID Sampling Point
-1 DS 9015 S02 WELL 2
.., ****************************** SAMPLE RESULTS ******************************
-1 Unit: RAD:IA'l':ION CBEM:ISTRY Result Rept Level units Analvsis Date
.., 808 Gross Alpha and Beta, SDWl\: 18-FEB-1999
, Gross Alpha in Water 30,2 2.8 pCi/L
-1 Gross Beta in Water 20.8 1.4 pCi/L
.., 807 Radium 226/228 - 12-APR-1999
.J Radium-226 7.1 0.64 pCi/L
Radium-228 6.2 1.5 pCi/L
.., 811 Uranium, Water. 0.67 0.18 pei/L 14-APR-1999
-1 I Receiving COIlllllents:
Isample No: 9901676 -
....,
Field No LocID Sampling Point
...J DS 9016 S03 WELL 3
""1 *******************.********** SAMPLE RESULTS".**-------*-----*-------------
.....J Rept Level
'CUit: RAD:IA'l':ION CBEM:ISTRY Result units .Analvsis Date
...., 808 Gross Alpha and Beta, SDWA 18-FEB-1999
...J Gross Alpha in Water 22.6 2.2 pel/L
Gross. Beta in Water 15.3 1.2 pei/L
...., 807 Radium 226/228 12-APR-1999
.....J Radium-226 5.1 0.54 pei/L
Radium-228 3.9 1.2 pei/L
....,
811 Uranium, Water 1.1 0.21 pei/L 14-APR-1999
_J
..,
_1 ~
...., \~~"-
.....J \ Sample Page 1 of 1
....,
~
-,
..J Minnesota Department Of Health - Chemical Laboratory
...., P'iual. ~rt - C1ient Copy - Report Of Analytical. Results
:..J Program: HC Date Received: 27~-1999
Program Name: COMM WA'rER SUPPLIES (SAN.) Date Generated: 15-APR-1999
...., Request Page: 1 of 1
-1 I Samples: 9901677 - 9901678 I Date Reported: . -. ~ " 'Itt
. ..
..., PWS No Site ID Facilitv Name City .
.
1020034 1020034 ANDOVER ANOXA
.-.J
("nll..,.r Dr ("In' 1 '1';m~ ColI Tn r-n"p~rnr N:=amp Orig Samp
...., 27-JAN-1999 0900 1602 Smude Robert -
~ Field Blank Type QTR Field Res P04 Res Trip.Blank
- B - - - -
....,
...J Isample No: 9901677 I Receiving Comments: -
...., Field No LocID Sampling Point
....J BS 9017 S04 WELL 4
...., ****************************** SAMPLE RESULTS ******************************
:..J t7nit: RADIA'l':ION CHEM:ISTRY Result Rept Level. Units Anal.vsis Date
808 Gross. Alpha and Beta, SDWA 18-FEB-1999
...., . Gross Alpha in Water
< 0.70 0.70 pci/L
....J Gross Beta in Water 0.82 0,73 pci/L
..., 807 Radium 226/228 13-APR-1999
.J Radium-226 0,29 0.16 pci/L
Radium-228 < 0.68 0.68 pci/L
..., ISample No: 990l.678 I Receiving Comments:
-
.J
Field No LocID Sampling Point
...., BS 9018 S05 WELL 5
..J ****************************** SAMPLE RESULTS ******************************
..., Unit: RADIA'l':ION c:m:m:STRY Result Rept Level Units Anal. vsis Date
..J 808 Gross Alpha and Beta, SDWA 18-FEB-1999
Gross Alpha in Water < 0.73 0.73 pCi/L
...., Gross Beta in Water 1.2 0.74 pCi/L
i
..J
807 Radium 226/228 13-APR-1999
..., Radium-226 0.26 0.16 pCi/L
Radium-228 < 0.72 0.72 pCi/L
-1
...,
..J
~,t .
-1 Sample Page 2 of 2
...,
..J
,
....,
..J
...,
..J Protecting, Maintaining and Improving the Health of All Minnesotans
.
April 30. 1999
....,
-1
Andover City Council .
..., c/o Ms. Vicki Volk. Clerk
.J Andover City Hall
1685 Crosstown Boulevard NW
Andover. Minnesota 55304
...,
..J Dear Council Members:
...., SUBJECT: Ouarterly RAD Monitorinq for Andover, Anoka County, PWSIO 1020034
-1 Enclosed are the results of the most current radiochemical analyses conducted on water samples
col.lected from your public drinking water supply in accordance with. Minnesota Rules. Chapter 4720,
...., Quarterly monitoring for radiochemicals (RAD) is being conducted on your water supply because.
..J previous test results indicated a combined (Ra226 + Ra228) radium level in excess of 5 pCi/l,
Quarterly samples will be collected by the Minnesota De~artment of Health (MDH) from your .
" distribution system for four consecutive quarters and t e four test results will be averaged and
I compared to the maximum contaminant levels (MCL) of: Gross Alpha - 15 pCi/l; Ra226 + Ra228 - 5
-1 pCi/l, If the four quarter average of the test results exceed the MCL. then you will be required
to notify the ~ubliC that the MCL has been exceeded, You will not be required to take corrective
..., action until t e US Environmental Protection Agency (EPA) formally adopts revised RAD MCLs that are
I presently being developed. The following is a summary of the results:
.J
11. S>\IWtl'" ""ifit" , ., "'rl bu" '" .. RESULTS
~j CONTAMINANT: Gross Alpha "Date Level (DCill)
...., < MCL: 15.4 pCill January 27. 1999 0,8
.../v \ /\ ~ \J October 13. 1998 Not Detectedl
July 7. 1998 3,2
...., \}
..J .
I Average: 1.3
...,
J . . . - ,~:* <. '" ," . ',.-- ,- . . .. '. '".:'"
$N:1~qN(1 POI.NT: 01 stM,bfrti o~ RESULTS
... . ". ..
-, Combined level
I Date Ra226 Ra228 Ra226+228
..J CONTAMINANT: Radium 226+228 (pCi /l)
....,. . January 27. 1999 0.4 NO 0.4
.J MCL: 5.4 pCill October 13. 1998 0,3 ND 0,3
...., July 7, 1998 1.6 1.7 3.3
-1 ND = Not Detected
...., Average: 1.3
-1
....,
..J 121 East Seventh Place' St Paul, MN 55101 . http://www.health.state,mn,us
An tqua/ opportunity employer
..,
..J Andover City Council -2- Apri 1 30. 1999
PWSID 1020034
..
...J In addition to the distribution sample results reported above. MDH has also collected investigative
samples from wells and/or treatment plantCs) in an effort to provide you with information that may
...., help determine which sources of water may be contributing radiochemicals to your distribution
..J system. These investigative results are for your information only and will not be used in
determining regulatory compliance. The following is a summary of investigative results:
.. l~siHRliNGHjlur~~;w~l;l-~#l,r-> . ~-.: '.~..,~O:--.
RESULTS
-1
CONTAMINANT: Gross Alpha Date Level C Ci 11)
...., .
MCL: 15.4 pCi 11 January 27. 1999 32.5*
..J July 7. 1998 15,91
-(
...J
....,
..J
'SAMPLING- POItfr;, . wet1-,,!:'>',. ~.:,- . . ,.... ~ .. RESULTS
...., _'. - _ _. . __.-_'" . __. _ . _'__, _. _ M .. -~ ". '. _, ~",' .
...J Combined Level
Date Ra226 Ra228 Ra226+228 (pCi/ll
CONTAMINANT: Radium 226+228
...., January 27. 1999 6.4 7.4 13.8
-1 July 7, 1998 5,8 5.9 11.7
Mel: 5.4 pCi/l
....,
...J
.., Average: 12.8
~
.. Welj.#2.:, -',..
...., SAMPLING POINT: , RESULTS
-1 CONTAMINANT: Gross Alpha Date Level C Ci 11)
...., MCL: 15,4 pCill January 27..1999 29.5*
-1 October 13, 1998 38.7
July 7. 1998 15,6
-,
-1
...., e ramum resu
...J
'SN1PqNG.,P.OIN1:;"~;-~~.tC#,?<'.;' ;;....,_ . <~ _. . ... .: ... ~.::~ -- RESULTS
....,
Combi ned Level
-1 Date Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT : Radium 226+228 7.1 6,2 13,3
.., January 27. 1999
_J MCL: 5.4 pCill October.13. 1998 I 7.2 5,1 12,3
...., July 7. 1998 7,0 4.7 11. 7
...J
...., Average: 12.4
...J
--,
-.J Andover City Council -3- April 30. 1999
PWSIO 1020034
--,
-.J
" ~PLING roiiir; :"~~t #3 "'.,>: ..<:" . , RESULTS
: , ' -" -. "" ". '.. ," "'..-. -.:',.- . C' .,' _n, ..----_,',e.-..-.--_'_..,. .,_"
-.J CONTAMINANT: Gross Alpha Date Level ( Cill)
...., MCL: 15.4 pCi 11 January 27. 1999 21.5*
-.J October 13. 1998 21.1
...., July 7. 1998 8.4 .
-.J
--, e ram urn resu
-.J
SN>\PLING"POlfrr:l.Mt #3.. ::i: .. RESULTS
--, ",'n
-.J Combined Level
Date Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT: Radium 226+228
...., January 27. 1999 5,1 3,9 9.0
.j MCL: 5.4 pCill October 13. 1998 4.7 3.6 8,3
...., July 7, 1998 3,6 2:5 6,1
-.J
--, Average: 7.8
-1
. . .
--, SA"MPUN(i.POINT:Well #4 · RESULTS
-.J CONTAMINANT: Gross Alpha Date Level (pCill)
...., MCL: 15.4 pCill January 27, 1999 Not Detected
-1 October 13. 1998 1.3
--, July 7. 1998 Not Detected
-1
Average: 0.4
-,
.J ..~AMP~lN~,PO~NT:.. Well..#4 .. ,.,. ... .. RESULTS
...., Combined Level
Date Ra226 Ra228 Ra226+228 (pCi/l)
-.J CONTAMINANT: Radium 226+228
January 27. 1999 0,3 ND 0,3
....,
MCL: 5,4 pCill October 13. 1998 0,4 1.7 2,1
-.J
July 7. 1998 0.4 ND 0.4
....,
-.J NO = Not Detected
Average: 0.9
-,
-.J
....,
...J
....,
Andover City Council -4- April 30. 1999
..J PWSID 1020034
....,
...J
. , or. . ~_._ . .. _."L': _' . . .. "_".. .
SAMRLtflG:POINT :We llf/S< - -. ., -"-.-. RESULTS
...., CONTAMINANT: Gross Alpha Date Level (oCi 11)
...J MCL: 15.4 pCi /1 Jan~ary 27. 1999 Not Detected
...., July 7. 1998 Not Detected'
...J
.. .
..J Average: 0.0
...., .:.s~?~.tij~ip6iNt:; ~elic#~1J;'~~':"'>\_' '.. ,:'.' -_ .<' RESULTS
.-.l . Combi ned Level
Date Ra226 Ra228 Ra226+228 (pCifl)
'-' CONTAMINANT: Radium 226+228
...J January 27. 1999 0,3 ND 0.3
MCL: 5.4 pCi/l July 7. 1998 0,3 ND' 0.3
....,
.-.l
NO - Not Detected
.. Average: 0.3
.-.l
...., Radium 226+228 are naturally occurring minerals that are comnonly found in Minnesota groundwater
-1 that draws from deeper bedrock aquifers. While the current MCL for combined radium is 5 pCi/l, in
1991 EPA formally proposed revising the MCLs to 20 pCi/l for Ra226 and 20 pCi/l for Ra228, EPA is
now in the process of developing revised MCLs for radium and other radiochemicals, however, until
--, that process is completed there is considerable debate and controversy as to what level of radium
...J is acceptable in drinking water,
This report should be placed in your records and a CO~y maintained on or near the water supply
.. premises and available for public inspection for not ess than ten (10) years, If you have any
-1 questions. please contact Patricia McKasy at 651/215-0759. .
....,
-1
.. Richard D. C ark. P.E,. Supervisor
Community Public Water Supply Unit
...J Drinking Water Protection Section
...., RDC:PAM:cls
Enclosure ~
-1 cc: Water Superintendent
Bob Smude. Metro North District Engineer. St, Paul
....,
_J
--,
..J
...., 'Results have been amended due to a misinterpretation of MDH laboratory data. This report reflects
..J the change(s} made from previous reports.
....,
...J
...., -
~
....,
-1 Minnesota Department Of Health - Chemical Laboratory
Final Report - Client Copy - Report Of Analytical Results
....,
...J Program: HC Date Received: 27-JAN-1999
Program Name: COM!! WATER SUPPLD!:S (SAN. ) Date Generated: 22-APR-1999
...., Request Page: 1 of 2
I SamPles: 9901673 - 9901676 I Date Reported: I~p;(-' :! i;!.
...J l~: !,.
PWS No Site ID Facility Name City .
...., .
1020034 1020034 ANDOVER JWOKA
...J Orig Samp
l"nl1.."t- nt- r'nll 'J'im,:ll ColI Tn ~n"p.r-t-nr N'~m,:ll
...., 27-JAN-1999 0800 1602 Smude Robert -
.~ Fie1.d Blank Type QTR Field Res P04 Res Trip Blank
- B - - - -
'-'
...J ISample No: 9901673 I Receiving Comments: -
...., Field No LocID Sampling Point
. J BS 9013 DOl C:I'l'Y SHOP
****************************** SAMPLE RESULTS ******************************
....,
-1 unit: RADUT:ION CHEMJ:STRY Result Rept Level Units Analvsis Date
808 Gross Alpha and Beta, SDWA 18-FEB-1999
...., Gross Alpha in Water 0,83 0,81 pCi/L
-1 Gross Beta in Water 2,1 0.78 pCi/L
807 Radium 226/228 12-APR~1999
....,
Radium-226 0.35 0.17 pCi/L
-1 Radium-228 < 0.81 0.81 pCi/L
...., ISample No: 9901674 I Receiving Comments: -
_J
Field No LocID Sampling Point
...., BS 9014 SOl WELL 1
-1 ****************************** SAMPLE RESULTS ******************************
..., unit: RADUT:ION CHEMJ:STRY Result Rept Level units Analvsis Date
_J 808 Gross Alpha and Beta, SDWA 18-FEB-1999
Gross Alpha in Water 32,8 2.6 pCi/L
...., Gross Beta in Water 24.9 1.2 pCi/L
~ 807 Radium 226/228 12-APR-1999
...., Radium-226 6.4 0.61. pCi/L
Radium-228 7.4 1.4 pCi/L
_J
811 Uranium, Water 0,29 0.13 pCi/L 14-APR-1999
....,
...J
~ \\(
...., '~ Sample Page 1 of 1
...J
....,
. -
--l
-,
--l Minnesota Department Of Health - Chemical Laboratory
...., rina1 Report - C1ient Copy - Report Of Analytical Results
-1 Program: BC Date Received: 27-JAN-1999
Program Name: CONK WATER SUPPLZES (SAN. ) Date Generated: 22-APR-1999
...., Request Page: 2 of 2
...J I Samp1es: 9901673 - 9901676 I Date Reported:
APR 2 ~~ 1S$
...., PWS No Site ID Facility Name City .
.
--l 1020034 1020034 ANDOVER ANOXA
(""nl'pt"'"t" Of'" ('011 ",imA ColI ID Cnll..t!t-nr N"m.. Orig Samp
...., 27-JAN-1999 0800 1602 Smuda Robert -
_J Field Blank Type QTR Field Res P04 Res Trip Blank
- D - - - -
-,
--l Isample No: 9901675 I Receiving Comments:
-
...., Field No LocID Sampling Point
-1 DS 9015 502 WELL 2
-, ****************************** SAMPLE RESULTS ******************************
--l Unit: RADZA'l':ION CBEMJ:5'l'RY Resu1t Rept Leve1 units Ana1vsis Date
...., 80B Gross Alpha and Beta, SDWA IB-FEB-1999
Gross Alpha in Water 30,2 2,B pCi/L
...J Gross Beta in Water 20,B 1.4 pCi/L
...., B07 Radium 226/228 - 12-APR-1999
...J Radium-226 7,1 0,64 pCi/L
Radium-22B 6,2 1.5 pCi/L
-, Bll Uranium. Water. 0.67 O.lB pCi/L 14-APR-1999
--l !sample No: I Receiving Comments:
9901676 -
....,
Field No LocID Sampling Point
--l DS 9016 S03 WELL 3
-, ****************************** SAMPLE RESULTS ******************************
--l Unit: RADZA'l'ZON CBEM:IS'l'RY Analysis Date
Resu1t Rapt Level Units
...., 808 Gross Alpha and Beta, SDWA IB-FEB-1999
--l Gross Alpha in Water 22,6 2,2 pCi/L
Gross Beta in Water 15.3 1.2 pCi/L
...., B07 Radium 226/228 12-APR-1999
_J Radium-226 5.1 0.54 pCi/L
Radium-228 3,9 1.2 pCi/L
-,
811 Uranium. Water 1.1 0.21 pCi/L 14-APR-1999
..J
-,
--l Y:
-,\~~~
--l \ Sample Page 1 of 1
....,
.-J
....,
.J Minnesota Department Of Health - Chemical Laboratory
...., Final Report - Client Copy - Report Of Analytica~ Results
.J Program: HC Date Received: 27-JAN-1999
Program Name: COMM WATER SUPPLI:ES (SAN. ) Date Generated: lS-APR-1999
...., Request Page: 1 of 1
I Samples: 9901677 - 9901678 I Date Reported: . .... ..~tl
-1 ;.....
...., PWS No Site ID Facilitv Name City .
.
1020034 1020034 ANDOVER ANOXA
.J
C'nl1",,.t- nt- ("nl1 'T'imp ColI ID ("n'lp~t'n-r NAmfOl Orig Samp
...., 27-JAN-1999 0900 1602 smu.de Robert -
--.J Field Blank Type QTR Field Res P04 Res Trip.Blank
- B - - - -
....,
.J /sample No: 9901677 I Receiving Comments: -
...., Field No LocID Sampling Point
-1 BS 9017 S04 WELL 4
****************************** SAMPLE RESULTS .*.***************************
....,
-1 Unit: RADJ:ATI:ON CHEM:ISTRY Result Rept Level Units Analvsis Date
808 Gross.Alpha and Beta, SDWA 18-FEB-1999
...., Gross Alpha in Water 0,70 pCi/L
< 0.70
.-J Gross Beta in Water 0,82 0,73 pCi/L
-, 807 Radium 226/228 13-APR-1999
Radium-226 0,29 0,16 pCi/L
.-J Radium-228 < 0,68 0,68 pCi/L
-, ISample No: 9901678 I Receiving Comments:
-
.J
Field No LocID Sampling Point
...., BS 9018 SOS WELL S
-1 ****************************** SAMPLE RESULTS ******************************
-, Unit: RADJ:ATI:ON CHEMISTRY Result Rapt Level Units Analvsis Date
.J 808 Gross Alpha and Beta, SDWA l8-FEB-1999
Gross Alpha in Water < 0,73 0,73 pCi/L
...., Gross Beta in Water 1.2 0,74 pCi/L
.J
807 Radium 226/228 13-APR-1999
-, Radium-226 0.26 0,16 pCi/L
Radium-228 < 0,72 0,72 pCi/L
.-J
....,
.J
....,
~,t-
.J Sample Page 2 of 2
....,
-1 ~.. r.
,
....,
-1
~esota Depamnent Of Health - Chemical Laboratory
...., FiDal. Report: - C1ient: Copy - Report Of Analytical R~~;ults
--J Date Received: 21~-2000
Program: He
...., Program Name: COMM WA'rEil SOPPLn:S (SJW.) Date Generated: 02-PEB-2000
-1 , Request Page: 1 of 1
I Samples: 200001263 - 200001263 I Date Reported: ,
m03~
...., .
PWS No Site m Facil.i tv Name City
--J 1020034 1020034 ANDOVER ANOn
...., rn1'pf"!t- nr . C"'r,1 1 rr4m~ CoIl ID l"'nllp'"'t"nr N"~.. Orig Samp
21-.J7oN'-2000 , 0700 1602 Smude Robe:tt:
-
~\~ Field Blank Type QTR Field Res P04 Res Trip Blank
- X - - - -
--J
Isample No: 200001263 I Receiving Comme~ts: -
-,
.j Field No LocrD Sampling Point
BS0010 E06 WELL #6
-, ,
--J ****************************** SAMPLE RESULTS ~~****************************
thdt: ME'l'ALS Resu1t. Rept Level Units Analysis Date-
-, 110 Arsenic SOW1\., Total -9.4 1.0 ug/L 02-FEB-2000
--J 619 Turbidity. Metals Check . 2l-JAN-2000 ~
...., < 1 NTU (Sample digest Not Required)
...J
.....,
...J
....,
-1
.....,
...J
....,
.
...J
.
....,
...J
....,
.J
.....,
...J
....,
-1 1
Gr=p 108494 Sample Page 1 of
....,
..J ,.
,
...,
-1 Minnesota Department Of Health - Chemical Laboratory
. .
...., FiDa1 Report - Client Copy - Report Of Analytical Results
~ Program: BC Date Received: 21~-2000
..., Program Name: COMM WA'l'ER SUPPLXES (SAN.) Date Generated: 02-FEB-2000
Request Page: 1 of 1
...J I Samples: 2000012.63 - 200001263 I Date Reported: fOOS.
.
....,
PWS No Site In Facil.i tv Name City
-1 1020034 1020034 ANDOVER ABOD
...., ("n"~t""'r nt- .r,..", "";m~ ColI TD l"'nllp",t'nr N",,!p Orig Samp
21-JAN-2000 0700 1602 Smude Robe:tt -
~~~ Field Blank Type QTR Field Res P04 Res Trip Blank
- X - - - -
...J
Isample No: 200001263 I Receiving Comme~ts: -
...,
.j Field No LocIn Sampling Point
BS0010 E06 WELL #6
..., ****************************** SAMPLE RESULTS ~*****************************
.J
Unit: METALS Resu1t. Rept Level Units Analysis Date
...., 1.1.0 Arsenic SDWA, Total "9.4 1..0 ug/L 02-FEB-2000
...J 619 Turbidity. Metals Check . 21-JAN-2000 ,
< 1. NTU (Sample digest Not Required)
....,
..J
...,
-1
..,
-1
....,
-1
...., Cf,L./ ~ t ~~
..J ~
I 0""'0 ""
....,
..J
....,
-1
...,
..J
....,
-1 Group 108494 Sample Page 1 of 1.
....,
-.J
MINNESOTA
....,'
-1
....,
-1 Protecting, Maintaining and Improving the Health of All Minnesotans
.
...., April 30. 1999
-.J
...., Andover City Counci 1
.
-1 c/o Ms, Vic~i Vol~. Cler~
Andover City Hall
...., 1685 Crosstown Boulevard NW
.Andover. Minnesota 55304
-.J
Dear Council Members:
>, SUBJECT: Quarterlv RAD Monitorinq for Andover. Anoka County. PWSID 1020034
-.J
Enclosed are the results of the most current radiochemical analyses conducted on water samples
...., collected from your public drinking water supply in accordance with' Minnesota Rules. Chapter 4720,
.j Quarterly monitoring for radiochemicals (RAD) is being conducted on your water supply because
previous test results indicated a combined (Ra226 + Ra228) radium level in excess of 5 pCi/l.
... Quarterly samples will be collected by the Minnesota De~artment of Health (MDH) from your
..J distribution system for four consecutive quarters and t e four test results will be averaged and
compared to the maximum contaminant levels (MCl) of: Gross Alpha - 15 pCi/l: Ra226 + Ra228 - 5
pCi/l. If the four quarter average of the test results exceed the MCl. then you will be required
.., to notify the ~UbliC that the MCl has been exceeded. You will not be required to take corrective
-1 action until t e US Environmental Protection Agency (EPA) formally adopts revised RAD MCls that are
presently being developed, The following is a summary of the results:
...., .SAHf>tlNG-EDtNt:.,' I}l$ttibtiti()~ . .. ",' ..
.' RESULTS
-1
CONTAMINANT: Gross Alpha 'Date level (oCi /l)
.., MCl: 15.4 pCi/l January 27. 1999 0.8
-1 October 13. 1998 Not Detectedl
... July 7. 1998 3.2
-1
.., Average: 1.3
-.J
.. sAM'PcLn.lS':1?onrr:. Qt&fih-i5ut1ori' . ... o. ;.-: :,.:::.. :...~.: RESULTS
...., ~ .~"I.~-':~_"I"~_.J..~-.. ._~,..._....~- ..1.,.' ,. ~........ . . ._."., 1+-"__
-.J Combi ned Level
Date Ra226 Ra228 Ra226+228
CONTAMINANT: Radium 226+228 (pC11l )
....,
January 27. 1999 0.4 NO 0.4
-1 MCL: 5.4 pCi/r
October 13. 1998 0.3 NO 0,3
... July 7. 1998 1.6 1.7 . 3,3
....J
NO - Not Detected
...., Average: 1.3
....J
....,
..J 121 East Seventh Place' St. Paul. MN 55101 . http://www.health.state.mn.us
...........--.-.....!.......-,....--
....,
...J
Andover City Council -2- April 30, 1999
...., PWSID 1020034
...J
In addition to the distribution sample results reported above. MOH has also collected investigative
...., samples from wells and/or treatment plantCs) in an effort to provide you with information that may
.J help determine which sources of water may be contributing radiochemicals to your distribution
system. These investigative results are for your information only and will not be used in
determining regulatory compliance. The follOWing is a slJI1IlIary of investigative results:
....,
-1 i~SAHelINri .PQINf.i~;:W~li-~#r:r :~'c!. . . '.,j: .'_. ~ RESULTS
...., CONTAMINANT: Gross Alpha Date Level ( Ci 11)
.
.j MCL: 15,4pCill January 27. 1999 32.5*
July 7. 1998 15,91
""l
.J
""l
.J
...., '~Ai1P~iN~ PO,!tfr: :~1J'~J.;:"', ~:.'_..'. . . . , . ' , RESULTS
-1 Comb; ned level
Date Ra226 Ra228 Ra226+228 (pCi/l)
-, CONTAMINANT: Radium 226+228
.J January 27. 1999 6.4 7.4 13,8
MCL: 5.4 pCill July 7, 1998 5,8 5.9 11.7
....,
...J
-, Average: 12.8
...J
""l .. . , -I"
..{SAr'1P,LI NGPOUIT-: Welt.~2..;:'; :\ !.. RESULTS
..J ..1.:.
CONTAMINANT: Gross Alpha Date Level ( Cill)
...., MCL: 15.4 pCill January 27. 1999 29.5*
-1 October 13. 1998 38.7
.., July 7. 1998 15.6
...J
....,
..J e ram urn resu
.., '$~p~t~~JQt~f:l]~I1:ii?';~.::~~:~'':.~.,.:~'~::' .:~~-.: ~/:."". RESULTS.
-1 Combined level
Date Ra226 Ra228 Ra226+228 (pCi/l)
-, CONTAMINANT: Radium 226+228 January 27. 1999 7,1 6,2 13.3
,
...J
MCL: 5.4 pCill October.13. 1998 7,2 5,1 12,3
.., July 7. 1998 7,0 4,7 11.7
...J
...., . Average: 12.4
...J
..,
-1.
Andover City Council -3- April 30. 1999
...., PWSID 1020034
.J
....., .~'-. ;--.: ':;.":" ;...". . "- :-;-..:-::1....- *".:..-1"-;....... '.-...~..:-- . ..
,SAM~tINli~INT: .,:w~1J~. ,a.,-~~.... ,.. ., RESULTS
-1
CONTAMINANT: Gross Alpha Date Level ( ill )
, MCL: 15.4 pCi 11 January 27. 1999 21.5*
-1 October 13. 1998 21.1
...., July 7. 1998 8.4 .
...J
...,
.J e ram urn resu
,'SMPLING'POIHT:. ..\f~;ii:/13.. . .... ' RESULTS
'. '.' .,..... ..... ... ,.,....., .. .:.;i, . .". . .. .0". ":..J-~' ..' _
.J Combi ned Level
Date Ra226 Ra228 Ra226+228 (pCi/l)
...., CONTAMINANT: Radium 226+228
January 27. 1999 5,1 3.9 .~.O
.j
MCL: 5.4 pCi/l October 13. 1998 4.7 3,6 8,3
, July 7. 1998 3.6 2:5 6,1
-1
...., -. Average: 7.8
.J
...., -....- ... . . . - . .
,,$M1P:L,ING::ROINr:..WellAf4:. .. ".'-- -. .. RESULTS
.J
CONT AMI NANT : Gross Alpha Date Level (oCill)
...., MeL: 15.4 pCill January 27. 1999 Not Detected
...J October 13. 1998 1.3
...., July 7. 1998 Not Detected
...J
..., Average: 0.4
.J ,~p$f~:~.PQ~NT;<",w~h:<I4.. . ::. ,.:~~.:.:. ':."'.- '_:< .<L_....~
RESULTS
...., Comb1 ned Level
.J Date Ra226 Ra228 Ra226+228 (pCi/l)
CONTAMINANT: Radium 226+228 . January 27. 1999 0.3 ND
..., 0.3
.J MeL: 5.4 pCi/l October 13. 1998 0.4 1.7 2,1
...., July 7. 1998 0.4 ND .0.4
-1 NO = Not Detected
Average: 0.9
...,
-1
....,
.J
....,
-1 Andover City Council -4- April 30. 1999
PWSID 1020034
....,
...J
~~t~'~~tlJijj:.~Wel{I5:~: . ,.' .-.-.-..
,. . .. <., RESULTS
...., . - . . ., ---'.
...J CONTAMINANT: Gross Alpha Date level (pCill)
MCL: 15.4 pCill Jan~ary 27. 1999 Not Detected
...., Not Detectedl
July 7. 1998
-1
....,
.
...J Average: 0.0
...., :;~~f~~~p.8iw:;' ~~~.'ii.~,~.... :,.~'; .::\::::'~~;:':: ..,.:7?':'. . .. ~....
...J RESULTS
. Combined Level
...., Date Ra226 Ra228 Ra226+228 (pCill)
CONTAMINANT: Radium 226+228
...J January 27. 1999 0.3 NO 0.3
...., MCl: 5.4 pCi 11 July 7. 1998 0,3 NOl 0.3
-
.j
.. NO = Not Detected
-1 Average: 0.3
...., Radium 226+228 are naturally occurring minerals that are commonly found in Minnesota groundwater
.....J that draws from deeper bedrock aquifers, While the current MCL for combined radium is 5 pCi/l. in
1991 EPA formally proposed revising the MCls to 20 pCill for Ra226 and 20 pCill for Ra228. EPA is
...., now in the process of developing revised MCls for radium and other radiochemicals. however. until
that process is completed there is considerable debate and controversy as to what level of radium
...J is acceptable in drinking water, .
...., This report should be placed in your records and a CO~y maintained on or near the water supply
...J premises and available for public ins~ion for not ess than ten (10) years. If you have any
questions. please contact Patricia Me asy at 651/215-0759, .
...., Sincerely.
...J
.., . Richard D. C ark. P,E.. SUp?rvisor
...J Community Public Water Supply Unit
Drinking Water Protection Section
...., RDC:PAM:cls .
...J Enclosure ~
cc: Water Superintendent
...., Bob Smude. Metro North District Engineer. St. Paul
-1
....,
-1
...., lResults have been amended due to a misinterpretation of MDH laboratory data. This report reflects
-1 the change(s) made from previous reports.
....,
...J
....,
.. -
-1
-,
-1 Minnesota Department Of Health - Chemical Laboratory
...., Final Report - Client Copy - Report Of Analytical Results
....J Program: BC Date Received: 27~-1999
Program Name: COD WA'1'ER SUPPLXES (SAN.) Date Generated: 22-APR-1999
...., Request Page: 1 of 2
-.J I SamPles: 9901673 - 9901676 I Date Reported: I~ .}:. ~~.
...., PWS No Site ID Facilitv Name City .
.
-1 1020034 1020034 ANDOVER ANOn
.
("In:1'~f"I~ n... ("In1 1 "';m~ Coll ID ~nl'I:lI~1-nr N~~ Orig Samp
...., 27-JAN-1999 0800 1602 Smude Robert -
-1 Fie1.d Blank Type QTR Field Res P04 Res Trip Blank
- D - - - -
....,
-1 Isample No: 9901673 I Receiving Comments:
-
...., Field No LocID Sampling Point
-
.j DB 9013 D01 C:I'l'Y SHOP'
-, ****************************** SAMPLE RESULTS ******************************
-1 cni.t: RAD:IA'1':ION CBEM:IS'l'RY Resu1t Rept Level Units Ana1vsis Date
...., 808 Gross Alpha and Beta, SDWA 1B-FEB-1999
Gross Alpha in Water 0.83 0.81 pCi/L
-1 Gross Beta in Water 2.1 0.78 pCi/L
-, 807 Radium 226/228 12-APR-1999
~j Radium-226 0.35 0.17 pCi/L
Radium-228 < 0.B1 0.81 pCi/L
...., ISample No: I Receiving Comments:
9901674 -
..J
Field No LocID Sampling Point
...., DB 9014 801 WELL 1
....J
****************************** SAMPLE RESULTS **********************r*******
...., cni.t: RAD:IA'1'I:ON CBEM:IS'l'RY Resu1t Rept Level Units Analvsis Date
-1 18-FEB-1999
808 Gross Alpha and Beta, SDWA
...., Gross Alpha in Water 32.B 2.6 pCi/L
Gross Beta in Water 24.9 1.2 pCi/L
..J
807 Radium 226/228 12-APR-1999
~ Radium-226 6.4 0.61. pCi/L
-.J Radium-228 7.4 1.4 pCi/L
811. Uranium, Water 0.29 0.13 pCi/L 14-APR-1999
..,
..J
..,
~\tt
~ Sample Page 1 of 1
-1
....,
-1 . -
.....,
-1 Minnesota Department Of Health - Chemical Laboratory
...., :Final. Report - C1ient Copy - Report Of Analytical Results
..J Program: BC Date Received: 27-JAN-1999
Program Name: COM!! WATER SOPPLZES (SAlll.) Date Generated: 22-APR-1999
...., Request Page: 2 of 2
'-.J I Samples: 9901673 - 9901676 I Date Reported:
APR 2 i~ 1S$.
...., PWS No Site ID Facilitv Name City .
.
;...j 1020034 1020034 ANDOVER ANOXA
l"nllp<"t- nl" l"nll rr;m~ ColI ID rn"pt"'rn'r N'PIImp Orig Samp
....., 27-JAN-1999 0800 1602 Smude Robert -
-1 Field Blank Type QTR Field Res P04 Res Trip Blank
- B - - - -
.....,
..J Isample No: I Receiving Comments:
9901675 -
...., Field No LocID Sampling Point
-1 BB 9015 S02 WELL 2
...., ****************************** SAMPLE RESULTS ******************************
..J unit: :RADJ:AT:ION CBEM:IBTRY Result Rept Level UXdts Analvsis Date
...., 808 Gross Alpha and Beta, SOWl\: 18-FEB-1999
cJ Gross Alpha in Water 30.2 2.8 pCi/L
Gross Beta in Water 20.8 1.4 pCi/L
....., 807 Radium 226/228 - 12-APR-1999
-1 Radium-226 7.1 0.64 pCi/L
Radium-228 6.2 1.5 pCi/L
...., B11 Uranium, Water. 0.67 O.lB pCi/L 14-APR-1999
;.j
Isample No: 9901676 I Receiving Comments: -
....,
Field No LocID Sampling Point
-1 BS 9016 S03 WELL 3
..., ****************************** SAMPLE RESULTS *******************.**********
..J
unit: :RADJ:A'r:ION CBEM:ISTRY Result Rept Level Units .ADa1vsis Date
...., B08 Gross Alpha and Beta, SDWA 18-FEB-1999
..J Gross Alpha in Water 22.6 2.2 pCi/L
Gross. Beta in Water 15.3 1.2 pCi/L
...., 807 Radium 226/228 12-APR-1999
-1 Radium-226 5.1 0.54 pCi/L
Radium-228 3.9 1.2 pCi/L
.....,
B11 Uranium, Water 1.1 0.21 pCi/L 14-APR-1999
-.J
....,
cJ Y
.....,\~~"-
..J \ Sample Page 1 of 1
....,
...j
....,
-1 Minnesota Department Of Health - Chemical Laboratory
...., Final Report - Client Copy - Report Of Analytical Results
...J Program: BC Date Received: 27~-1999
program Name: COMS WATER SUPPLI:ES (SAN. ) Date Generated: lS-APR-1999
...., Request Page: 1 of 1
-1 I Samples: 9901677 - 9901678 I Date Reported: .~.tl
~ .,." o.
...., PWS No Site IO Facility Name City .
,
1020034 1020034 ANDOVER ANOKA
-1
l""n"p,.t- nt- l""n" 'f';m,:ll ColI ID ("n'lp~t-nT N~mp Orig Samp
...., 27-JAN-1999 0900 1602 Smu.de Robert -
..J Field Blank Type QTR Field Res 1'04 Res Trip.Blank
- B - - - -
..,
-1 Isample No: 9901677 I Receiving Comments: -
.., Field No LocID Sampling Point
..
-1 BS 9017 S040 WELL 4
...., ****************************** SAMPLE RESULTS ******************************
-1 unit: llADJ:ATJ:ON CHEM:tSTRY Result Rapt Level. Units Anal.vsis Date
808 Gross.Alpha and Beta. SIMA 18-FEB-1999
...., .
Gross Alpha in Water < 0,70 0.70 pCi/L
..J Gross Beta in Water 0,82 0.73 pCi/L
...., 807 Radium 226/228 13-APR-1999
...J Radium-226 0,29 0.16 pCi/L
Radium-228 < 0.68 0.68 pCi/L
.., Isample No: 9901678 I Receiving Comments:
-
..J
Field No Locm Sampling Point
...., BS 9018 .SOS WELL S
-1 ****************************** SAMPLE RESULTS ******************************
...., unit: llADJ:ATJ:ON CHEM:tSTRY Result Rapt Level Units Analvsis Data
-1 808 Gross Alpha and Beta, SIMA 18-FEB-l.999
Gross Alpha in Water < 0.73 0.73 pCi/L
...., Gross Beta in Water 1.2 0.74 pCi/L
-1
807 Radium 226/228 , 13-APR-1999
...., Radium-226 0.26 0.16 pCi/L
Radium-228 < 0.72 0.72 pCi/L
...J
....,
...J
..,
~,~
...J Sample Page 2 of 2
1'liJH UrJ,Hi'~ WIK t-'!<"Uit.1.1 ra.x:bLi-:ll~U((::> l'bv 1 ( 'UD 14:05 P,Ol
...,
U
....,
-1 Minnesota Department Of He.l.lth - Chemical Laboratory
, Final Report - Cli.~t Copy - Report Of Analytical Results
U Program: He Date RecQived: 2G-OCT-2000
progr= l'ler..e: COMH WA.TEJt S'O'1'P;UU:S (SAN_) Date Generated: 02-NQV-ZCOO
Request page: 1. of 1
...., I SiUllP),as: 20003"77 - 200034478 I
cJ Da te ~ported :~OV 0 S 2&,}{)
. .
..., PWS No Site ID .Facili tv N>lIllEl ci tv
--~ --
U :1020034 1020034 JUfDOV'ER ANOXA
i'''''t:Io~t- nt- (""l,,~' IT';mJ3 cal.l..I.D ("'nl J eC""~t"'l,.. N}Il:t!1.a -9:~g Samp
, 26-OC'1'-2000 0700 :11;0:1 SmUde Robert -
..J Field Bls.:::.k: '1'yp~e_ Q'!'R Field Res P04 p,~s Trip l3lank_
- 'X - - - -
...,
U ( ISarnple No:. 20003'477 I Receiv~ng Corr~ents: -
, Field No ~. Sa:llpling Point
.
.J 850500 506 WELL ,
... fit "'* W-"'O"J; 't;..~,..*.... .",... w./(-k*-I.........,.;r*. SAMF-LE RESULTS .~***~.*.....~~**~.*..*w*.***.~
....,
U Unit; METALS Re.ul~ kept Level Units Ana.lYlSi/l Date
no Ars~ni" ZDt"fAo ':'o:.a.::' 10 1.0 ugJt. ?7 ~CT-2000
, 61~ 'l'u.r.l:idi\:y. !'letal" Ch"ck 27-0C'I'-2000
-1 < ' NTU (Sa!:r;>le ~i....::t. Not F...ql.ti,,:~d)
...., !sa:nple No: 20003d78 I Receiving Coroments: -
_J Field No LocrD Sampling Point
-- -
BSOSOl S07 m:LL 7
~
,
..J ..~~..~**~W~~.*.*~..*~W~*.~*.* S~~LE RESULTS **~x****.*w*w**.*.*~~w~..~*w~w
tlnit; w:7.',UoS R...ul.t llopt x.e"el O'l:1its AnalvsiB Pat.
, llO Arsenic Stl\TA # ':'otal -eJ 1.0 u.;J/L 27-0CT-2000
..J 519 Turbidity, lleu.ls Chec;l<: 27-0C'X'-200C
"\ " 1 NTU (Sa..1'P1e digest Not RQq\lired)
,1
....,
..J
...., tOV z.. () tOGn
DAT~N .
..J
BY:
,
..J
,
Group 129621 SlUlIPle l?a.Qe :I. of" :I.
.J
'I
.J
....,
;..j
....,
-1 Instrumental Research, Inc.
...., 7800 Main S1. Fridley, MN 55432 763-571-3698
-1
....,
;..j
...., LABORATORY ANALYSIS REPORT November 15, 2000
MDH CERTIFIED LABORATORY 027-003-130
-1
City of Andover Collection Date: 11-03-00
...., 1685 Crosstown Boulevard, NW Date Received: 11-03-00
-1 Andover,~ 55304 Collected by: City of Andover personnel
Attn: Brian Kraabel Sample Type: City Well #6 & #7 Water
....,
;..j
Results Reporting Analysis
...., Parameter Well #6 Well #7 Limit Date
.j
Arsenic 8,20 ug/L 7,63 ug/L 4ug/L 11-14-00
...., EP A 200,9 Method
-1
All analyses were performed using Environmental Protection Agency approved
...., methodologies.
-1
Report submitted by,
....,
.J ~~~
...., Suzanne Melchior, Laboratory Supervisor
....J
SMlch
....,
-1
.,
-1
....,
;..j
..,
....J.
....,
.j
....,
....J
....,
.j
..,
-1
..,
LJ Instrumental Research, Inc.
...., 7800 Main St. Fridley, MN 55432 763-571-3698
-1
.,
-1
.., LABORATORY ANALYSIS REPORT September 26, 2000
..J MDH CERTIFIED LABORATORY 027-003-130
...., City of Andover Collection Date: 09-12-00
1685 Oosstown Boulevard, NW Date Received: 09-12-00
'-.J Andover, MN 55304 Collected by: City of Andover personnel
Attn: Brian Kraabel Sample Type: City Well #6 & #7 Water
....,
-1 Minimum
Results Reporting Detection Analysis
...., Parameter Well #6 Well #7 Limit Limit Date
-1 Iron 2,28 mgfL 0.94 mgfL 0,050 mgfL 0,042 mgfL 9-13-00
Method 3500-Fe B.
...., 3111 B,
.J
Arsenic 4.48ugfL 4.10 ugfL 4ugfL 1 ugfL 9-21-00
....., Method 3500-As B,
i 3113 B.
-1
Manganese <0,30 mgfL <0,30 mgIL 0,30 mgIL 0,26 mgfL 9- 13-00
-, Method 3500-Mn B.
-1 3113B.
..., All analyses were perfonned using Standard Methods for the Examination of Water and Wastewater, 19th
edition approved methodologies,
~
Report submitted by,
..,
.J ~~~
.., Suzanne Melchior, Laboratory Supervisor
.J SM/ch
..,
..J
....,
-1
....,
-1
..,
I
....L
....,
..J
---..-. .~ -_... - . -. ... .. .~.. ... ...-. .. ..,
....,
.
:~ .
....,
'i
....,
'.
....,
II .-
....,
:.
....,
'.
...., Water Quality study
'. Andover Water supply !3ystem .
city of Andover
...., 1.997
'~
.-,
'~
....,
'~
....,
,~
,
....,
,
:,
....,
.~
...., '.
,~ Prepared by' .~ .
....,
;~
...., Gerald s. Alleri,P.E., Project Manager
,~ SEnco Laboratories
1931 West County Road C2
st.. Paul, MN 551.13
....,
, I Date: April 18, 1997
'IJI -
....,
. I
'!
....,
'~
..,. ,., _..~... ,-- .- .'
'. -.. : '.~. '
....,
;. ,
....,
, I
. -
~-. TABLE OP CO~'J.'~'.L'S
....,
.
....,
.. SECTION
" In"tr'oduction. . . . . . . . . . . . . . ; . . . . . . . . . . . . . . . .1
...., I.
. II. Field Sainple. and Data Collection............ ~
'"
...., III. LaPoratory Analysis...........:....~.......2
. IV. Observations. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
..
-,.
~ v. Rec6mmendations..............~.............4
....,
.J
'-' TABLES.
J I. Data Sn1n1'nary 19~7..........................5
....,
II. Well Water Data Comparison.................6
5J
....,
,.J
,
.. Aooendices
J A. Proposal Letter
...., Laboratory Report
B.
..J
c. MDI! Historical Data .
....,
"J D. City Historical Data
...., E. Well Disinfection Procedure
,J
....,
I
'""
...,
,:oJ
-
...., .
~ I
....,
.~,
...,
~J
J
~dover
J . . Water QuaJ.i ty study
Andover Wa.ter suppJ.y System
1997
J I. Introduction
-. SERCO Laboratories staff coJ.J.e~ed water sampJ.es and fieJ.d data
J from the water supply wellf?" servicing the Andover water .system
and water distribution samples in accordance with the propo~al
"""' letter contained Appendix A. The field work and laboratory
,J analysis was performed in February; .1997.
-" II. Field Sample and Data Collection
,J
SERCO Laboratories staff collected alJ. o~ the water samples
1 except the City of Andover staff collected the water sample from
. .j Well #3. SERCO collected field data at all sampling locations
except Well #3.
...., T~e well water samples and data were collected after the wells
.J. had been pumped continuo~sJ.y for at J.east one hour. The
distribution system water samples and data were collected after
...., the water WaS' allowed to flow for several minutes. The dissolved
-1 oxygen and temperature readings on the meter were stabilized
before a final measurement was made. The pH, dissolv~d oxygen
(DO) and temperature were measured in a one gallon container .
....,
-1 receiving water through a hose. The discharge end of the hose
was placed under the water surface to minimize the addition of
oxygen from the..air so that an accurate DO. measurement could be ,
...., made. The DO. and temperature were determined using a" Yellow
.j Springs model 57 DO meter. The field pH was determined using a
portable Orion model SA250 pH meter.
....,
-1 The samples Were col~ected in containers prepared for each
parameter where special sampling conditions were required
...., (preservative and type of contain~r). "The. meas~ed field
results, along with the data and time of. collection, for each
-1 location are shown i~ the attached tables.
...., Water was supplied to the Andov.er dis.tribution.systeIl,l from Wells
-1. #4 and #5 during the Winter time and at'the time that the water
4istribu~ion system samples were collected. However, We;!.l!:; #1
...., . and #2. were operated for 1 tQ 2 hours before water samples were
-1 collected from the wells and ]!lay ~ave influe1iced. the quality of
.the distribution Sample colle~ted at Bill's sup~rette.
....,
-1
- 1.-
....,
-1
.....,
-1.
. . - .~ , ..... ... ~....- .... . . ...
n
I w
,...,
I w
n
III. .Laboratory Analysis I
I w
The results of the laboratory analysis are shown in the attached
tables ~d. are conta.ined in the labora.tory reports in ApP!!I1dix B. n
I w
IV. Observations n
I 1. The chemical characteristics of the water from Wells #4 and w
#5 were significantly different .than the characteristics of the
water from the oth~r three wells (#1, #2 and #3), particularly n
I Wells #1 and #i. u
. ..
2. The water from all of the wells and the water collected in .
. ,...,
I. the distribution system is slightly corrosive based upon the pH. w
(pH of stability), which is higher. than 'the measured pH.. There
is free COz present at all sampling locations, which also makes
the water more corrosive. . Howeve:r;, the q.issoived oxygen is quite n
I low. Higher dissolved oXygen will cause the water to be more L.J
corrosive. Therefore, the water in the Andover water supply
system may tend to be corrosive. n
I The total solids concentrations in the water from W~lls #1 w
3.
and #2 are greater than that of the water from the other three
supply wells. The solids concentration in Well #i is.above the ,...,
I recommended limit o~ 5~0.mg/L for solids. LJ
4. The SOdium and chloride concentrations in the water'from n
I . Wells #1 and #2 are quite high. The sodium leve~ in these well LJ
water samples is well above- the recommended limit of 20 mg/L.
The chloride concentration in the water from Well Ii, at 210 ,
,...,
I mg/L, is approaching the recommended limit of ~50 mg/L. u
5. The iron concentrations in the water from Wells #1, #2 and
#3 are above the recommended limit of 0~3 mg/L. Water users n
I .served by these wells may experience "red" water at times.~ u
6. The manganese concl;Ultrations in th~ .water :e.rom Wells #3, #4 ,...,
I and #5 are above the re!=ommended limit of 0.05 mg/L. People LJ
served by these wells may have "black specs" in their water.
7. The radon level in the wa'ter from Well #5 is 419 . ,...,
I picocurriesfL, which.is ~ove.the recommended 300 picocur.ries/L. LJ
The recommended level may be in~eased to 1000 picocurries/L in
the .future, however.. Aeration will.normally reduce the radon to n
I ' acceptable levels. The radon concentra,tion in. the water system u
will likely be well below the recommended limit of .300
picocurries/L due.to ~e mixing of the wat~r from different . ,...,
I wells.
LJ
- 2. -
,...,
I u
,...,
I LJ
....,
.-
....,
,J.
...., .Iron bacteria weJ;'e detected in Wells #1, #3 and #5.
, 8.
,,; o. Bacteria that react with iron an~ possibly manqanese w~e present
in the water from Wells #.1 and #3, as well ~ at Bill's Superette
....., in the distribution sy~tem. Bacteria that react primarily with
i manqa~ese were present; in the water from Well #5. .
;"J
....., 9. The fluoride concentration in the distribution system water
I ,. samples were at 0.8 .mqIL, which is below the recommended
.. concentration of 1.2 mqlL (1.0-1.5.m~/L).
...., 10. The chlorine residual was low in the water at all three
_I . dis.tribution system locations. The MDH recommends that the
chlorine residual in the water di~tribution system be at least
-, 0.,5 mg/L free chlorine. The residual was close to this
.,.J recommended level at the elementary school,. but was very low or
riot detected at the other two system locations.
...., 11. ;t'he concentrations of .many of the minerals have increased in
_I the water in Well #1 compared to t}],e 1980 results (see Table II).
The total hardness concentration diq not increase, however. The
...., c9ncentration of sodium and. chloride significantly increased.
-..' (SOdium, 50 mg/L to 100 mg/L and chloride, 140 mqlL to 210'mg/L)
...., 12. The mineral concentration in. the water from Well #.2 was
similar to the concentrations measured in 198~. The sodium and
-' chloride concentrations dropped slightly. The iron concentration
is s;ignificantly lower. The 1986 concentration (6 mg/L) .was
...., unusually high for iron in groundwater in this area and may have
"..,.) been due to unusual conditions that. existed at the time the
sample was ~ollected. This well was drilled and water pumping ,
...., started in 1986.
-.l 13. The. mineral concentration in the water from Well #3
...., generally increased.since 1987, except for total hardness
(Unchanged) and sulfate (dropped from 29 mg/L to 4 mg/L).
-J -
14. The mineral concentrations in the water samples from. Wells
...., #4 and #5 have remained the same for most parameters.. Howeverj
.,) the iron concentration has increased.but is below the reco~ended
level of 0.3 mg/L.
....,
15. Users will likely find the total hardness of the water from
~ Wells #4 and #5 to be adequately low (120 and 150 mg/L,
respectively) so that additional softening will not be necessary.
...., Howeyer, the water -from the other three wells would probably need
-oj to be softened to be aesthetically acceptable.
. .
....,
,)
. ,
- 3 -
.....,
.J
....,
.J
n
L.J
I n
L.J
I n
v. Recommendati,ons
I L.J
1.. Based upon the qu~lity of the water from the five city n
supp;Ly we~ls, i:t. is.. recommended that. Wells #4 and #5 be used, as
I much as reasonably possible. The remaining three wells should be L.J
brc;lught on-line in the following order: 1.. Well #3, 2. Well #2,
3. Well #1. Water from Well #1 should be, used as a. stand-by n
well, . and used only during periods of. very high demand because of L.J
I its less. fi'lvorable water quality. The. water from wel,ls #1 and #2
should. be plended with the water from other supply wells and n
should not be .used alone because of the high 1D..ineral content
I (particularly sodium) in the water from these wells. LJ
2. The concentrations of sodiWli and chlo;:-ide are quite high in n
I the water in Well #1 and are elevated in Well #2. The City L.J
should eva.luate the possible sources of these materials and
determine if. contamination of the water flowing to these wells is
a possibility. n
I L.J
3. The wells where iron bacteria were present in the water
(Wells .#1, #3 and #5) should be treated with chlorine. A well n
I disinfection procedur~ is provided ~ Appendix E. L.J
4. The fluoride.feed to the water distribution system should be
n
increased to maintain 1.0-1.5 mg/L fluoride in the system at all
I times. L.J
5. The chlorine feed rate should be adjusted after the .water n
I distribution system is flushed this Spring to ensure that at u
least 0.5 mg/L free residual is present through-out the entire ,
distribution system. n
I 6. The city should add additional water pUmping capacity to the LJ
water supply system so that Well #1 will no longer be needed. n
I 7. Th~ City should consider the installation of iron. and u
mangal)ese removal treatment to enhance the qUality of the water
supplied to users. o. n
I LJ
n
I u
n
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n
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-, ~ .!!! C) c 0 0 CIO .;,l,
(3 CI:l .... CI:l "': ",.
'~ ~ ~ .N ..,. N ...: ..,. ..,. .... .... N ...: < + , , , . , , ,
~ N C'Il C'Il . ci II) ,... -
N
....
...., ~ ~ .... ~ .... ....
0> < 0 c 0 ..,. c .;,l, on GO on
;~ - CI:l C) lD .0.
::: .., c C') &0 ..,. C CI:l T': c GO + . . CI:l ,... ..,. C'! .,
tIJ 'iii ...: co c<) C!) III C') ;.: .... -. .
.... ~ C'Il C') C'Il - ci ~ ...: 0
~ '" < ..,.
- ....
....
...., ~ .
.~ .... .... CIO
=II: 0> < C C 0 C ..,. 0 t- II) .... &0
- on "! C') 1O 0
'iii C') &0 0> ..,. GO ...: .... GO C ...: 0 < , , .... "l: C'! . ,
~ ~ .... CI:l C'Il N .... c;i .... ..,. ;.: .... .... 0 .... <>
~ GO
....., - .... !
....
;~. C') C') '"
0 0 .c::
0 0 a. - <>
- --
as as co.
...., 0 0 II> ...J <> e
Z as '2 elX
'~ II> Ill. c ~ I~ I~
0 as as ~ ~ ~ c.c::
i= ..,. CD ~ II) to
I~ ~ (3 0 ll.. II> as .CD E ~ "'-
a. III II> 'C ll.. '0 ~ -c-
CI) II> as Z III ~ iii !! C v c::
a:: I~ E !2 I~ x _v
...., E II> ell ...J III 't: 0 .., c Ii iii g'~
0 I:: c III II> I~ I~ III CD .0 as 2 0 0 ~
'~ E II> ~ ~ Cll E '0 0 I~ 0 ~ 5 ::J 0 '0 ,C'-
en .., ...J C. 0.
...J E iii ~~
w C iii lD E 9 E to ~ III 1'9 c E e
0 en 1:: E lD N E :is 0 III 0 lD 'iii 't:.
iii :E E ell II) E E II> ~ a::
'0 to E c: c. N 0 -e as '0 't:l a; c-5
w .>0::. 0 '" III Cii
...., CI) as c to 0 .~ e N CD .r= en c Q) Gl iii o 0
...J < c E III .... .Gl
~ CI) J: as '0 .... I~ 'in '0 a. 0 0 III > 9 c =15-
.J a. iii 't: ~ II> 2 c 't: - en 0 't: '0 e ~.:!
:E CD CD < iii 'iii iii 0 iii as iii 0 iii 0 Gl '0 0 l- ll..
E :i c '0 '0 0 :i II> E
< Cii z ~ '0 '0 :c '5 '0 .as '0 0 '0 as :> '0 'Iti E CD II) '" :c
~ CI) 0 i= < l- I- C. 0 CI) I- ~ a. CI) l- n; u: l- ll.. u: Ie 0 I- 0 <cci
....,
.~ - 5 -
"_...
--~-,~_. .... .
....,
'. TABLE II - Well Water Data Comparison
' ,
'.. Page 1 of3 .
City of Andover
.0, Water Quality'Study
I
:~
,"") SAMPLE DESCRIPTION: Well.#1 . Well#2 Recommended
l~ Date. 12/80 . 2113/91 11121/86 2113/97 Umits
TIme 11:25 AM 11:50 AM
lab T.C. SERCO T.C. SERCO
-; Water Water
Ii Clinic Clinic
. , ANALYSIS:
'i Total A1kalinitv, maIL as CaC03 210 . 190 225 230 . 500
Total Solids. maIL 500 640 .188 35Q 500
., Calcium. maJL as Ca . I" 72 75 - 67 -
Calcium Hardness, maIL as CaC03 180 190 155 170 -
;~ Maanesium, maIL as Ma 21 18 -
.
...., Maanesium Hardness, mail as CaC03. 100 86 75 74 -
'~ Total Hardness, mail as CaC03 280 280 230 240 -
oH. standard units 7.9 7.5 . 7,6 7.6 6.5-8.5
...., Soecific Conductance umho/an at 250C .,; 1160 - 630 -
'I Chloride. mail as CI 140 210 84 60 250
...., Sulfate, maIL as 504 4 . 8 -4 6 250
Total Iron, mail as Fe 1,0 1.2 .. 6 1.1 0.3
.~ Manaanese: maIL as Mn 0,02 0.D4 0.05 0.04 0.05
~ Potassium, maIL as K 20 7.3 7 3.9 500
...., Sodium, maIL as Na 50 100 45 38 20
'~ ..
Arsenic, mail as As - . <0.007 - <0.007 . 0.05
...., Tptallron Bacteria Absent A Absent Absent Absent ,
.~ Radon 222, plcoaJriesIL . - 184+/-8 - 143+/-7 300
IpH ofstabilitv - 7.75 - .7,65 -
....,
Field Data
'~ . Free Carbon Dioxide - 16 -. 17. '0
- Disolved Oxvoen, uaIL - 0.25 - 0.25 0
...., Temoerature; oC . - 10 . - '.10 -
.~ loH, Standard Units 7.41 . - . 7.48 6.5-8.5
-
...., A. Gallionella bac:tcria present in sample
'~ ..
...
., .'
-
.~
-..
....,
.~
-
....,
.~ - 6 -
~
...., " 4(1/97
SERCO Laboratories
.~
....,
,
'1 TABLE IT - Well Water Data Comparison
.
, Page 2 of3
'I
.City of Andover
, 0 Water Quality Study
Ii
. 1
'I SAMPLE DESCRIPTION: Well#3 . Recommended
Date 12/87 . 2120197 Umits
TIme
. 1
Lab Pace SERCO
:. ANALYSIS:
...., Total Alkalinity. moIL as CaC03 190 220 500
'. Total Solids, mQ/l 200 240 500
Calcium, moll. as Ca 52 60 -
...., Calcium Hardness. maIL as CaC03 - 150 -
'. Maoneslum, mg/L as Mo 25 17 -
...., Maonesium Hardness. man.. as CaC03 - 70 -
Total Hardness, mg/L as CaC03. 230 220 -
" pH. standard units 7.6 7.6 6.5-8.5
Specific Conductance, umholcm at 250C - 442 . -
...., Chloride. mg/L as CI <1 4 250
'. Sulfate, mg/L as S04 29 4 250
..., Total Iron; mg/LasFe 0.60 -1 D.3.
'. Manganese, mg/L as Mn 0.15 0.18 0.05
PotaSsium, mg/L as K - 2.1 500
...., Sodium, mg/L as Na 4.3 7.6 20
'. Arsenic, mg/L as As - <0.007 0.05
Total iron Bacteria Absent A Absent ,
...., Radon 222, picocuries/L - .125+/-7 300
r pH of. stability. - 7.7 -
"
...., Field Data
'~ Free Carbon Dioxide - . 13 0
Dlsolved Oxvaen, ug/L - - 0
Temperature, OC . - - -
...., ,
I pH. Standard Units 6,5-8.5 ,
'~ - -
A. Gailionella bacteria present in sample
....,
.~
....,
".
...,
"' .
...,
"' - 7 -
...., SEReD Laboratories 4n197
"'
~.-- ~"S,;.. ........_~.~~.-.ar.._~'-" .~.
. I
. j
I TABLE II - Well Water Data Comparison
I
- Page 3 of3
City of Andover
I Water Quality Study
. ,
'. SAMPLE DESCRIPTION: . Well #4 Well #5 Recommended
Date 2/93 2/13/97 8/95 2/13/97 . Umits
. I TIme 1:50 PM 2:10 PM . -
, , Lab Pace SERCO Pace SERCO
I ANAlYSIS: .
. ,
Total Alkalinitv, maIL as CaC03 137 130 111 100 500
'. Total Solids, mall 168 . 170 137 130 500
Calcium, mall as Ca - 43 29 36 -
. , Calcium Hardness. mall as CaC03 99 110 73 90 -
I . Maaneslum, malt as Ma - 9 - 7 -
~, Maanesium Hardness, mg/L as CaC03 34- 37 31 29 -
, I Total Hardness, mall as CaC03 133 150 . 103 120 -
I I pH,standard units 8.18 7,9 7,8 8 . 6.5-8.5
.-, SDecific Conductance. umho/em at 250C - 275 .- 235 -
Chloride. mQIL as CI . <4;3 5 <0.5 1 250
" SUlfate, maIL as. S04 2.1 2.1 8,3 8 _ 250
'l. Total Iron; mall as Fe . 0.02 0.24 0..052 0.11 0.3
;, Manaanese;ma/L as Mn . 0.20 0.15 0.129 0,14. 0.05
Potassium. malt as K . 1.2 - 0.84 500
. , Sodium, maIL as Na 5,35 4,7 4.37 4.4 20
'I Arsenic, mall as As - <0,007 - <0,007 0,05
Total Iron Bacteria - Absent Present B Absent ,
. , Radon 222, picocuries/L 210+/-8 419+/-11 300
- -
" I pH of Stabilitv - 8.05 . 8,2 -
...., Field Data
'. Free Cartlon Dioxide - .10 . 5 -0 .
Disolved Oxvaen,uQiL . 0.20 . - 0,20 0
...., Temoerature, oC - 10 - .10 -
'I I pH, standard Units - 7.42 - 7.49 6,5-8,5
B. Leptothrix present in sample
....,
;,
....,
.,
....,
"
....,
, f
I - 8 -
...., SERCO Laboratories 418/97
"
....,
'-.J
-,
-1
.-,
-1
....,
~
....,
.J
....,
.J
.,
.J
....,
.J
....,
'-.J
.., APPENDIX C
.J
...., Well Log Data
-1
....,
.j
....,
.J
..,
-1
....,
-1
....,
-1
....,
...J
....,
.J
....,
...J
.D' I ..... Oft "tLL ft"D~D 1"-_ I '. il~7!1011
l': AAOJ:.A __,..._... ..., .I;~. _ .\
-, 1--........ r--.---....fI;............ .1......... /'.-- ~ ..~."O"&a'S....... ....'3f11-...
.j. .... ANIlI/"n1t ~ .:'] 1( ~ " nI'....,:u.', CIn OFAIroOVER iel1;If1i~;
1''--.-.----______......_..._ __ ~~~... .
~ . . ~,
...., 190ft East of' Snyer Rod & 20ft ~ of138th AY! lfW d./CYU-, /
--J' ~,~-:~:~_:;--.. -- /1.6'. ;.-;;;; :--- 601 rio7A1ftJART. 19B1
--. ... I ' . '0.-- .0_.0_ ,.0....
v..............:.. E ............
...J : r' .0_.... .0.. .o~ 110
.:- .: ;- -: ~"'- m-... .0...... .0_._
= ....,....-.....- 1 ...- ...~~.ro-_ .0_..
-1_1. . .0_ .0_ 00.:_
I. OO....'_LOU ""'CMt ..~::-:~"- TO .0,....... .0..,,-_ 00
= I f SAIID FINE. l/ETI BROl/H "50 ,;';::- "'_ -. -;;: __.
I SAND FINE GRAY !SO 70 .0..... JCIoO_ ___ . ...
...., CLAY SOFT BUFF 70 80 . .0........0 __. ..::i!!: ..._.
-1 CLAY & STONE RUBBER GRAY I8(f 11lCr 20.... 171 ... _ 78.60 ....;... . _....._1\.
I . : CLAY & STOliES GRAY h20 l30 14..... 368 ...._ 54.57...,... _...._I\.,
.....,.' I CLAY. .. SHAlE REDDISH ,13Q 150 . ..... ... _ ........... 10-12./
,i .. 5 FIPfE SA..,o . GRAY 150 165 ..:::........ 1::-'J08 .... 60l... I
~'.I.':> SHAlE & SAifDST~E le5 17a T .... I
...., ~ SAIiDSTONa & SHAlE REO . 170. 175 ::- ,-.
. ROTARY it.._ ...... ... nrnoocs.
'-..I, GRAVEL & SANDT ClAY REDDISH' 175 183 .........
....,.1 GRAVEL MIX DARK 183 183 ......~.
: CLAY & STONES REDDISH IB9 201 ..STATIC...ruU....
~lT~' ; ClAY & STONES REDDISH 201 225 .. 22.9 ~_ 0_ .....w_ 19JAmn
I . GRAVEl OAR): 225 229 ,., ",M"""U:VU.___=.
~1. .. & ~.:'U'WJ .T -, ,y~ Z29 rZ41 . r'SR..._ ~ ....__ QM ,._
_J .~ GAAVn-SHALE A.ClAY GR.Jj(sha1e) 241 253 ;(- ........ 11> ......._ 7r:;n ...~
=p:. SANDSTONE & "HAl ~ ~ ...r{6t c... 1253 12.75 IJ, ......HLooOCC04.L.T1O/O
...., SANDSTONE & SHALE GREE!f. 275 280 . .0..__ .0__ _._..-_
..j SANDSTONE ~ SHALE GREEN 280 284 .1. .....-..., _...
, SRF'F'N/GRA' 2&4 225 ilS'ft 0... CL.... 1105
...., r, REO 286 289 I~C_ .0_. JQ
",./ r;r.s.o/ , GREER' 289 294 _..... 3AA ..... C;IIrl:tn:>..
~,. GREEN SH.~E .1 S.5. GREEN 294 305 ... .... ...
. ,';;r SMIDc;jONE liHTTE 3E5 395 ,1.__..___
...., 1S' SA."tOSTOHE . LIT TAH 395. 455 _....
',.1,,:..,'SAHDSmnE .\ SHAlE WHTITAH of65..85 -W4.--_.=...._, y~ ...0- ____
.I . WTfTAH 485 5).5 ...,:J--.-, r.-....?S;; _-.:~~>~ I . ...,...." .
...., REDDISH/Bf~ 515 545 ..i 'Wl.;0''J I'~- '\ :_":"'~_ . __ I
-1. . PINK 5-45 55e ~ ~ I .: }'1 : . B!:",-~ . ~ jl.~
I _~TT~ 'c;c;,., s;c; ,~~;...' _ -, ~~. r':7 .. ~ ,. _ . i
....,' nL..1l 1 '7... - redd1shBRC~ 559 57C ~..::_ ,__ ."",~...-,,",, ~'~-:. ...:~;:J
. .. . ~Fn/R~ 570 S81..p .. h_. ......
- r'1c'v , v~~.:... -:[. RED/PURPl! 581 587 _..__ j
- .. ....d.J'_. RED/DR~ PI. RPlE 587 6CH T..., .0--. >i'LS.--. .0.___
. 7-" .0... ......c__.;:: I
~.. 3 :;1- ;l '/- 3..t. kc ~ A h 'L ...m:a......CO.TAACra..."..TlFlCATIOIo
- ~... - ~ -.... -r ............ .....--, . __..
- I?J I". t 5?7t..J4<'<7.?.1 . __...,___.
-I /;;lC -,I} 'Eo H. RPi'H=.B..U~.1S I~C. ~l~
u_.-....-....,,-.... ..
-, ........Lu:...lClH._""U.u.,.._ ~NItA/'dS . ~. _ 630<' II'IG~tl'Y P.va ~ .UIOKJI.. ~X553
~(' 20- casing installed wit.''! 36l BE rig . --:' :----;"
H- casing & open hole drilled with na rotary. ..... r _ .' , 0- 3CJMISl
-1 .: . I .-.--.. ______
.
1- C;~1l ~Tr:;.a I="fVl<:__P.ay ~C'1f~~Qc... ':lr..P,:r.~l
.1 I
,
,. .-.- . -".':;;., If,ullllfU,LUCOU ~..:....:.. ,.., . 411..U'.)2
,/ ANO.....,.. '.. ~ . '.... ' ~ v ~ .;)
~or- ~... -...... ,. .: to ..c." ...............,,........
'--.1.._,"........ .(ii'J- i~--T--"'" "'-Urt . '.. "..p-'
,., . AN c...,. Ii, ;A~I i'ii '. it . 2J;~ J 32' 5E" iiw" SE" City of AndOver. W"'"'-' -t-
--:""':"'-~.-:-.~~!"--..Clor.._Lo1Iii. - 1685 Crosstown Blvd NW '.'
. .'~',l',,, ...., ..., . ., ;'. . .... . . ':,
'-' Andover Well "2, 134th'.& Poppey Andover,. MN 55304 .
-1. -.-....-..-..---.... ..--..-- .......-...~ J-"~
I- L..L .LI-_:' -- 525... . 11/22/85
~,- .... ..
. . I... ~~ <0_ 1CJ_ 'oODoo
II 1-.. ... -..- -.. E 2t1L
-1 .... T -. - .c.w..;;;... .0... .c..... ..0
. . . .
..- .. .:.... It ~ .... ..... ~ .
.. . .111 I - " .......... _ .0___ "
...., . 1 ...."'-aw . ..uac
...... .....-....1----
-1 '" .0_ .0....._ 1CJ_
>---10(10_ .0_ sRI_ .c_
o. ,,,.....,_LeG ...,..,. .,.,*.,50'._ fa ....
....,. '00...,_ "-'T_ .... oO"'r_~ _ 00
'0 CAsING "UGM~...... MOLl 0..,....
-..J sand & gravel brown 0 40 ,ar--. .0_
.oc:.o.. ~..... _2 ...
...., silte fine sand brown 40 45 .0........0 ......_, T_4 "'_
. 16......... 81.4~ _ 62.5L _....._.L
Ll sUte brwon. . 45 58 2' I.. 196. 'l.. _ 94. 6"l... ~~
~r. 30...... ..... '387 ... _ 118 ..... .....-'L:
...j: clay red 58 60 .-.;-::", ,,..:-':r87 .... 525 ... '
. ~ none
silte brown 60 64 ..... , ....
.., --.. '-
mn......
s..--. ~.... II..
-..J clay & gravel brown 64 82
....... Ill.
.. .IrAUCW",rtauv.u.
' clay blue. 82 139 29.7..m.... 0_ __ 7/22/8~
t. -..~_
-1' ~~~__
clay red 139 147 . 57 ..._ 10 ...._.... 800 ......
.., '. "--....-...-
-1 uard pan brown~: 147 157 II. ...U,H....COOC'UTJOft
J .0___ none
, -
-. St. Laurence green 177 193 .0__...... JO"'_,r__
' "'1I'S:U.GIIOI1n:Z>T
~-, Till blue 157 177 IXT_ 0..
IIICX..c-_. ,;;)-. JC
...., r. 193 '290 -....::neatcem~nt:~ ..surfac:a.. '.7-
FranconJ,.a grey neat cemp,nt 3R'( surface 2~.,t
J
" Ironton Galesvil1e Lt. GRN 290 30 8 ...-......OOUllCacr~CCtIT....".AT1O..
....,
~ ... ~~
-1 Eau Clare grey 308 390 ..._......__. T-O:: ...a
If Mt. Simon white 390 450 ,4. "'.., ~
-- , ~dY 86 0......_
- Hinklev red 450 525 ____,_ p~nROfjY ~I nWAY
- -
- --- 12 l~ J ...--SO.-v..... 4QOP!~
' ........-- 100 ...-,. SSg ......
~l. ..-..__ Steel 8" X 1l;1I s~s.
.,.,.. .0_ JClX.s. _ .c.... .
-I
. .0... .o"_.c
- I -'-_ot_ ,.. ..rUW<LLCCIITOACnlncun.IC4'"",
/la.IlDCAIlKa, &uYAnOH. &OItllC1:or DATA. - __ _....~.. _la...... _..,.... _..
...., --...,-...-,
j E.H. Renner & Sons. Inc, 02015
1 __ _
I - _ _ 6300 Industrv Ave. NW, Ar:oka
.J _ 3::2=]?',--- _ 12/2/85
...... ...--. -------..
...., BUdd ,ec'!hf>tf> r "".-12 /21~ 5
-1 1.\\PCRTANT: J .t'l r- r'I .........
t:f. ~ ,.,._.. _...__ ...__. _
f . --......~......,
.-.--_._....._ .,_ u__
.. WULDUT1l_.."
...., . . -, .' It.
-.J , 4lJ ......... 7C Dr;.", ICO Doc
. ,,:x.='::.r....:-C- .'",,'r . . 4.: - .,:lC~. .>.10_ 110 36-l
,"--. XlJlo<arr CClJetIel . IO_~
--' .... . --- v./6a_ -3
....,!.. ........- 7,USE
,.., - 100...-;" 4lJ1oIcait.rioc IClllal",""p
..J . Lac N_ 20 Irrip.... :lC !'villi: ' SO IDchaouy
, Xl Tat WeD 'lRl"Wunldp.J ICO '-maaaI
. . - ~ Air Coodi...... 110
= .. .. .J.(;.: "-.. ~ ~-
.,... s.n... IL
20 CcJy. :lC Welded ~
0', .~, . on.. Sltoa y ~
' -- Xl Plu<ic QJ
..J 30 ..... 116 .,J. 7 Wa,h. 118 lbo.I1L -i... '0-.-../,
3. ~"TlOlILOG COLOR FltOM TO 24 in... 137 It. Wa,ht 94 6?Ibo.JlL -i.. '0-.-../,
.-..-., roJ<!oUTlON
., 18 in.., 446, ~l Wa,h, 70 ~q,bo.l1~ --in. '0-.-../1
-.J Sand . . Brown . 0 50 '- SCREEN Or~~ 6'7 547
Nonp """'..... It.
.. . - t"." \ ,:,") .. 'a . .. ltake
....,r Sandy Cl ay .':.. '.. Gray - ~ ,.50 55 Ttpt 0;..
, ~ ~~=~
..J' Clay Stone Gravel Brown. 55 90 s..-_lt.aod_1t.
. . ":;. I , - . 10. ~TlC WAlUl.EVEL
., $and.y ClaY': ". .. Brown.., ., 90 100 41 l2{::,calxM: Dott-...m 11-1-87
'-' I Hard ROCk . ..., Gray . . 100 105 ".;:;""'::-,'4'"""':....... lOnn _
...., . - m7 It. aha- ~ hr>. P=,q 1 ?nn Z-IUA.
-.J...Shale.,.. ... Yellow... 105110 lZ.HEAnWELLCOWl'tETJoN
.. '. :. -. ;. ;:!' : '( : . .1C,..,.....a.-._~ plJrqp ......, Horrse
,. . . .. ... . '20_._ Az.....lr__~
., ~1ale .Sandstone ~ .t. Tan, .. Soft 110 133 ClI'ia<ic...."Jr"'_. .
-1 L'ime" Rock . Tan 133 145 13. WU1.CROtTtElP.
., Sha 1 e/Sand "'"' c-.n. 2OScntoo;.. Xl
Portl ilno ,,-..l.3L," SlIrflLcu.,...
..J
I Sandy Shale g~;t ~ ~ ====:
....,
I.. I<EAUST SOIJRCE:S Of' l'OSSIIIu CONTAMINATION
-1: 5. 5: & Shale Bl. Grn -1ll!lDr.....A1.L.dincdoa !In known .,...
5. S. & Shale l.t. Gm.. ,. WdI__...."'"'mnI Y~ 0110
....,'
J '-' ...... 1989 OHoc'-llod
5.S. Grn Bl Unknown Tn niltl>
~ .hale/ 5.5. " Grn ~hale - .. Nood_ . lIP_v.....
P 1 n 10 s h . koo<Jt of...., .... It. _tr Z-IUA.
_. ...
Wat.naI of ...., _
5.S. Gray Hard 408 423 TnclCs..--... )(LS.Tw1Me :lC.........~
2OJc< CJ~ QJ
~
16. D:ISTlNC WEU.s
- , . - - - lh>uoool__~ OY.. X'1Io
~.: u..-.J.......v-'J ~ 0 """-0 T~O Hoc.....
. j tDuaKS:EU;yATlOH.~EOI'DATA."" _. ._ .
~ . ~ . Ja. WATDl WU1. COHnACroRs CEImPlCATIOK
I n.;.--driIloI_""~llIldlhio,-,.......lhobostof"
., ~..........,.
~ E H Rpnnpr & Son~ 71015
) u..-__ u--No.
~ ~~~::~~~::"11-l9-87
[l... 11-1-87
. - -.. DrilIr
I IMPORTANT; 431683 an...""
, ;:itE WITH OEEO_ WElt OWNER copy ._ .
.., Wrll ~OCA TION MINNESOTA DEPARTMENT OF HEA~ TH MINNESOTA lJN/OlJ: WEU NO.
-.-J '-- WELL RECORD I 51h065
ANOKA COUNTY M,"n~SQI~SI~llJ1eS~plerIC31 'oJ
-'/ -T~Natn4i SeaIC\l"lND" FraC1tOft WEu.OePTHI~'~2 ~-.~leWortl:Cotnp.eled
'--.J - "dover 22 S~ N[i S~ ~~ .JANUARY 22. 1993
Of Fit. ~ ORlUJNG METHOO
=: CaoIe100t = DnwM == Dyg
. :: Aop.t H-' tun Hf9Ia'Y ~ C.le_
. t sr.o. euc::l1oca1lOn 01 ....Ift sea.on one Wfth T. Sk.tcJ'l ma= of ..... b::atlOtl. 0 ~
-... -, l>'COOtTy......
N roaos anc: ~ DRtWNG FLUlO I
...., _-:"+';-ul_-t- Potable Water
. ,
I ,I .uss: .:- Domestc _ ,:j ""bng"Coallng
-.J _h -~ - fo ~ - - ~ - ;:;: """"'"""s = 1nausuytCcmme....,
W' . I 'E _lmOabOn _Pucac _ .
. T - -es:w.. - Dewa- - Remed&ll
-.J_1 ;- -'-.. ~- _ , _ ....-." ::
-'.' I-~" : . .
I .. .... CASING 0nYc Snoe? = Yes = No Ha...5: ClAM.
...J:. t--:- :.-~~ - -r , = 51", = lh,Uoed C WelOe~
- - PIUtC ...,
I , ..i1r-----4 - _
...., CASING OIAM~R WEIGHT
-1 ?RO?:rlTY OWNER'S NAME 30 r." 121 r. 118. 65 IOs.'::. 30 ....03 3 2~.
CITY OF ANDOVER DEEP WELL #4 '4 ..... 1/1 <ir. 94 6' I:ls.':'_ _....._"-
-,!. Maq aodress. cUf'lerant V'lan I)tC;)eny ao~ lnCICalec a:xwe. r.. to r.. tts...'!".. _ in. to _ t'..
~!11685 N.W. CROSSTOWN BLVD ~:~U.Nti r..lo'n7 r.
ANDOVER, MN 55304 Ty:>o . .
...., , SIOIIGo"" u"...,
Set:>efW'Hn t. an: fl FliTlNGS:
.j: .
STAi1C W.c.TER '-evE"..
-.. GEOLOGiCAl MATERIALS COlOR 1~~c1u~OFIFROMI TO 16 r.::".;,.. =--"""_'00 Cat,,,,..s,,,",, 1-11-'3
/ I I PuMPING L.."Va ~- ..'" "'~':I)
" SAND. WET BROWN S 0 65 31 r. .h... 2 hts.~ 1000 ...'UTI..
I I I L WEU.. HEAD COU.:.n'ON
..,. -~NDY CLAY BROWN S 65 ~00 :: .......cs:>ttt",sw..=... Mcc.1
" .-' I I ~ c Cl.S,". Protr;:ion ::: 12 in.1bOve ~oe
~. ST LAWRANCE BROWN . H 1"00 ~15 GROU11NGIN,ORMJ..T1Ot<
'r I ~ ~ WoO p"""o<1 :: Yos = N.
ST LAWRANCE GREEN H 15 35 "G",Jl""I'" =N"'~;'lJ~'" =S.n,onl1r
c..J t""" .l{ tO~1L 8.83 :::)'Clt..::bs~
FRANCONIA S.S ITAN/BRNI S L35 L95 'rom to II. ::)'CL:;"'..
-, f r- from 10 tL ~ ,cs. = t\ags
.. I I L I NEIoRES7ICNOWN SOURc; OF c;oo...1oM1N4 TION
..J. ERAHCOHIA GREEN H r-95 205 200.tot East ..,...... SEPTIC ~
I / L L WtII_OC:"''-'""",_7 :: YIS :: No
.., E'RANCONIA SH V.GREEN H ~05 ~80 PUMP .
-1 I I L I c: - nr..,~ 0.,. ons:",fC
IRONTON GLV L.GREEN H ~80 301 __.fSN.... .
......, Mocetnc.r.t::let . HP. \Ions .
;ALESVILLE I TAN / H /301 /330 ~1~o!.rc:>.lllO . . It. Cal>aClly .. ''''JTI.
---.J Ptnsure T.... Ca:>scry
,..EAU CLAIRE SH /BLUE I H /330/332 Tj'Or.=Sucrt>Irsolo ::LS..Tu,.,.... :::RtQOIOC:Shnp 0....:;
AIWOONEO we.J.S
.-1' . I / I I. Does..-rry"...."l'nc:n.....n.nO:s.........UI7 C Y,s = N.
I WE:.!.. COHTRJ,COOll C.llTlFIC4 nON
. I I I. T'hts wee _as anIIeG' l.I"'CHI "" 1UCle1'YlS~ .na .. ac::oraanca WIUlMIl"IneSOlI Rules. 0\a:JI., 4.n5.
, Tho--~"""_lS_1C""""oImr~..
- lM._-....,_ I E.H. RENNER & SONS. INC. 71015
-,. EtAARKS,ELEVATION,SOURCEOFOAiA.etc. A-120 ~B__ u:.....~No..
-1.;.G.S. QUAD NUMBER A-120 1-29-93
I-T..EVATION 900....3. A_KR~~_s.pn..... D... ..
....
. UNICIPAL WELL ~4. ANDOVER RODNEY SIGAFOOS 1-29-93
-1,....ITY HALL PHONE 1755-5100 N._o'~ a...
ROGER E. RENNER. HWC
-,..
J MINN. DEPT. OF HEALTH COpy I 51606 5 "[~1"""""", ....=,
...; " ....". /:.,.. S ,'" ~ :~';.~j;:;&. 'IY~(f;~~~t.,," .. .; -. ., . ,,,^,G:;. c:, ~i ~ ;/f'<;;l:~ ....
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~ ial:I.OCATION . .--.... -'~-?l;:'~. ~. "'IUCTA:D9ARn1EH1'Of'HU.LTH .... . 'i::-~"'~"&:>:4 ..,
- ..r:." '''''1'.. ..' :....-...-a:.;. im- ..~ ~ . :';1.-~ ........ .~ ".. ...... ... .. ......_.._.... ..
.. ... , r.. -. ,. -. ", ;,~ ...~ -.,...'" WELl RECORO-::-....;::'-:,.-"" ;........":';."... _ . __. ..
'.I~-"~',,:";::', '::' - .~':.;.'~9;~<.,..: ~ ",r;..:~ . - ."~-'" :.:'~:'''''''''!<::;.:r~:'.:'~~S9::f'4'2~
. .' ~:':"'~~,:,r'l.''':.:,., ....;-. ::.r-:~.' . ...; ..- . :?,":.\~ . orp...... ~ .".. .~...~."'~~~~"",,'1... ..... . ..
-, )>'~EA.~"~ ... .... ',.-..;;;~.~;..,.~. ....:;~!k?j~......~~~!-StalutN. .~r03l'.;;.~...~....;~..~~~....::~. ~"\ . ......... ..
~ '-nohIp-' ,..... IT--"VNa..; 1~Na. IS1.'!I.~Na.. Fta:lIon .... ~- WELl.DEI"Tlt(~ ;.;""....~....~~IDo:to_~ . 'S.~Ir'''':' ~
- .1-.... 32' '24 I 33"~; Diilif sv.. . 335 _:. ". .~: ,,::-. AUG 7. '1995 '
.......h~.'*"*_~andCllycl~Locallon .. ..',_.. :;:..-)', ...",.~. 0flIUJNG METHOO ..' -, ..... .' ,
~CIllIoT"'" , . '0 DrIwn ..' . C Dug .
.1685 CR08S'fWO. BLVD "..: ..:.. . C Aug.; nittl.. a.r~.' . C Jollod .
-1,_____cl_In_grt<l...,..-X-.. . : _. ,.-mopcl___ ,0 . I .
. .. ,', .. .'.,..'. SI-"'II~ 0RlUJNQ R.J,lID. . ~:: , , .
.. .. :'";.~:;.:.~.. roecII
-, . I ,. . -. ..-......~..- ~ 0 - ..- "I: .' '. .....:IIATER
~.,.. -+- -~--t- ANOOVER~' 'WELL :
.... : .'. ...
...J . I . I I ..' .~\ . . ':,'. \ .~ ' : ":.... '. C~
., ..4- .~_I-.._ ,_ ..... ,.,. o Domoollc . .'. 0 McriorIng . C ~~
W' : I . E' ...0.: ' .Olrrigollon. ,. ~ '.
...., : ~ . .LoT' .. . 0 TeotWol' .'. ~ 01 At..g g-
. I : r . ~_i. ... . CASING 0tM_? ~.. C No HOlEOIAJ.f.
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I . . . '. . C_ C . '.
...., 1---,..,,_. . .,....
~ , . CASING OIA/.IETER WEIGHT
....J, PROPERTY OWNER'S NAME '" . "3El 1n."'12~ eft. 'f tA 7 1b&Jll.~ "-- In. a..35.. ft.
,
n.. '. . ; 24 k"'143. S'- 9t.E: 1b&Jll.. _In. Ill--.:...II.
...., ,
' Iaang_W_....prcpony___ ..,., . In.''' ft. t>oA. In.Ic II.
j }. SCREEN I OPEN HOlE -
1fELL 0WlID I em- OF AKDOVER. HJf MlN JfOD from 120.0 ft.'" 335.0
, 1685.CROSSTOWI.BLVD B.W . . Typo ~
~vn. 1m 55304 SIolIOouz. l.onglIl
'-.j . .
HR DAVJ:D HOORE (nDA) Sol-. 11._ . II. FlTTINGS:
-" tWlONESS OF STA1lCWATERLEVa
GEOlOGICAL MATERIALS . COLOR MATERIAl FROM TO ~7 ~ It. 9- bob. C _land....-.c.. DoDo_ II/'T "S
,. P\JW>lNG LEVEl. (l>oIow _1Ulaco)
-('SAW . ~ ' .
BROWJr.~ S 23 r:;Q 1 II. aftot R 5 In. pumpOlg 1 740. \J.o.m.
T , , WELl. HEAD COI.IPLET1ON .
any CLAY GRAY S 23 60 Q - odoFW ITIOt1U!aatnr McxloI.'
~( SAW; ~Y D-Cu;ngPlclod5cn . .. - . ji( 12 k __ pr.- ,
.
. SRY IBRl . S 6e 7ft. GAOl1TlNG INFORW,TION
WeI~ I;(, Y.. 0 No
~ SAJrD/GRV/CLY BHOWJI H 78 106 ' .Gtcc.t_ ~__ c_ ..,
.11 ST LAlmDC~ ,l:cmSUR III 14q It. Q01j()'d&.Cbogs
l:cm - III II. C)'d&.Cbogs
Ba/GRl H let: 144 l:cm III II. O)'d&.Cbogs
.j NEAREST ICHOWN SClUACC OF CONTAwu.TION .
I FRAlICOJll:A BarrAH 1m . 144 28e .... <hdion
lYPo .
. I W"_~_7 .c;;v.. CNo
, DW1I'r01I/GALES SHY IGRlI B 284i! 33!i PUIoIP 1996
C Ncc_ . Ooto_ .
.I, ~- - .
"'* ......,.. HP . v_ .
...J IM1glh cl aop ~ II. Cac>odlr f1.p.m.
, -.T_ Copodly Y81fl!R
.11 Typo: 0 ~ o L.S.T_ 0 ........_.. ColoC 0
I AIIAHOoNEo WEllS
Ooos P<cpony _.", nee In... and nee --ell? C Y. CNo
\'.. WELl. CClHTRACTOR CERTIFICATION .
, lb;o--..-unclor"'1__ln.............___~.725.
I Tho__1n 1hloncx>T......ID..._cl"'1~
,
;, Uoo'__I_ :g H. R:I5.11J1.!'iR & SO)l8. IlIC. 71815
MARKs. ElEVATION, SOURCE OF DATA. elC. 7.J! ."- Llc::",~_
...J N-245 .-L
- AA/?I= /95
I .G.S. QUAD (A-128) ..I .cr.p.....'IQI".,..~ 0...
--J ~LEVA%I:OD 900 :no + 1- 3M' '" 'UiUo..w CUI '2' '95
COHPunm 1fI:'1'B %JO)A ..... , Doli
., tKR DAVE MOORB) 292-44&9
Q. . - I ~~q~l1,)
.J LOCAL COpy _ ...ft~~"",,--.._.
...., .,;'29-19<;f7 10: 19
.' '. .:'.. .....: -~ - ~ . .: '. .,.. 512 292 0083 P.02/07
...J .'I'TIO'l . ". ;'.... . . . MINNE50TA'OiPA~OrrOF aiEALl1i' :.: '~."':': : :".~"..~IWVt;~.[A ~'vt,.lc. ~r~u.,~v.
,..,M ,. . .':' .: . WELL~~D 89R1NG RECO~D -..... ' ..l. OJ'57~r9.0:f.':.. .1
...., i,OKA .'
.' . . . ~Iinnn"~ SUMo' CIolIpI" l113t . . . . ...
...J /1""' ...... IT~.~ T"'''G4Ho. -- - . ww. 0VT>t l~~ . .: 100.. w"'!' e-pIot<<l
'27 20::- R DEe 5. . ....
ANDOV!:R .32 24 'NW, )1~ lU'i 1997
...., ;/_ N_.'-' -.e. Cll)'..... Z1pc:odt ofWotle<a"" .,Ilta _ OA1WNCl MCTMOO
o CIblo Tool e~ oo.a
. 14801 LINE'! AVE N1f 0_ ..eTII' rrl~r-. C Jellod
. .
...J _..... _""" of.......- friO - .X". $!<"'" lNIIat__ 0
, ~~";: DIIlWNlJ fI.lIlO
. DEEP WELL #6 BENTONXTE & WATER
...., , . .. -;-
-'-, -,- -r- e .....-.
...J 1,/$! 0 l)OIna!JC O~
. I I . o c:--"Y PWS O~
... -~- ... ." OIll1Qa-
I I I . o _.......PWS o-
w cT o TaotW" o~ C
t , t .
...., ~ -,- -T'- -,. 0....._' CT.. 0 No
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...J .;. .J. .L.. .'. 1 0_ o tlVN<lOd c-
. I ! ' c- o
.
...., 1--.---1 r;.t.SlN<l~ wElCl<T
-1 PROPEfIT'I'OWNER'S NAM! 30 ...1l-76.0 ft. 118.66 0s.Jlt. ~0 1n.1032~
CITY OF ANDOVER :;)4 in.~4h 1 r. q4 1';7 lba.ilt. _ir..to_ft.
~ QIIrI"It"'~ tr.IiIit\O IdQrwll ill d'i!'l'.rtf'l1 ~ .....IocaVon .~"SI ~.d ~bOvIi. ..... l\. Il&.Jlt. ir...lo I\.
...., WELL OWNER: ANDOVER. HN $CRUN T ~E~ I<OU
-1 1685 CROSSTOWN BLVD ..... '"'"'....., n 11.,..... ... " "II.
AMDOVER. HIl 55304 Typo 00am.
. .
HR SCOTT ERICKSON 755-5100 $1clIGo.... l....
..., $01_ 1\..". fI. FITT1HCS:
'-..J ST~T.c wut_l!Va
WEll OWNER'S NAMe 21 o ~Q'" fI. 0...... 0 ....._.UII... COlO......."" 11'11"-
....., CITY OF ANDOVER PUMl'tNO ~L ~ ~ $Yl"tae.tl .
Will ~.It'oi""' '''dfNlW cHffl.-.a ".." 'P'Cper1yOWMrl ~..u inc:clt~ ~ . e::.1 ".a !l. ..... Q .... -ping 12';'" f:.~.nl.
-1 wal. HEAO I;QUPlETlOH
o__~'" -'
...., c Cui>g- o lZ In. 10M plIOO
o .Il-';"..~w....""~.O>lI.'I1
;..j GIlt)lJrHG ",~TION
HARONESS OF _ Wc:rgro.n:", C Yet 0 NO
GEOl.OGICA\, MATERI"I.S COI.OR FROM TO Grout M.IN CJ Nut eem,", 0 8f"lonft. CJ COfICt'~ C Migl"l SoUc11 hnconitt
...., WTEFlI"L I,... !'; II 'R to ...2A.6... II. 14 III o 1'0'. 0 bo;l
-1 SAND BROWN S 0 45 lrom 1Q~1I. o )'d>. C ..gs
_a ,._.. ,.,., ~v ~ . " ,..., ~om to_I\. a ~. 0 "90
HARD PAN MIX va 63 105 NiAAeST KNOWN SOull.C& OF CCNTMllNAnQN
...., c,I.Ul"l UTV u ,,,.,, ...., IHI 4irtel~ ~
'-..J war cfMI1...o<l upol'l....jH.... 0 n. C No
TRANSITION GRN/HIX ~c: 125 130
"'UtlT.... r. ... .. ~~loT ""<I'" 1 '2'" ." 'VIolP
...., SANDSTONE GREEN HS 1-40 205 0--''''' O.,.inllIIntG'
....~...,... L '" " . ..T."'" U '>I'"" ..,"'''' M.n~natM .
.j Medal ....... KI' v_Q
IRONTON/GALS GRN/WH'l' H 260 310 l.anpol~~ . . . II. c.o...., .
l"ID.m.
. "'.... '''<IT''' T,n, "T"''''''''' " .".IlI ....'" ,....... Tar/< C&oIdY .
...., Ii Typo: C~. C l.s. TufO'" 0 __an; C Jar 0
EAU CLAIRE BROWN 320
...J ..
AIo&NOONEDv.aus .
tlooO--"1""'...,.noeln_orodllOl...lo<l-C.I? 0 v.. ONo
...., V~WlCf
.....J w.. ..._ ~""'" 1lIet,lOH fO(lNI...ar C y" o No
WEU.~ CliI!TlFIGATlON
, 1/IO,__,'_od "'" ....... .. 1\11o.......4__'"'~ orod.._",o _"'_-''''''''''7:1$,
.....J REMARKS, E1.EVATlON,SQVRCE OF OAT.... ore. J." '-.....'" 1he___-Io""'_ltwalOtr'f....ol"'l'~O.
PRJ #4111-W97 'Fl H t:l'FlNNF.t:l " ~nN!'; T)Jt'''1 7'0111:\
....., H.G.S. QUAD NUHBER A-120 ~_..- lio."'~1oiO.
ELEVATION 900FT +/- SFT .~ .-,--
.....J WORK COHfLETED WITH TKDA ENGINEERING 12'20lfiJi
MR DAN FABIAN (612) 292-4512 ,oi" .
. .....~,.".
, ROGER E. RENNER. HGWC,
ROC ~U'QOS 1 'J,.20197
--J MINN, DEPT.:'.OF HEALTH COpy ::';.1578903 . lIMN_
.. '.. ' .
., . ....- .,
HE-Ill20s.05(_.lml
.......,
-1
...,
...J MRR-25-1999 16:03 651 292 0003 P.02/02
..., MINNUOTA DUARTMIlHT OP /lULTH MINNESOTA UN/OIl! we'LL NO.
WEll LOCATION
~ C.~~ NUll WELL AND BORING RECORD I 578996 I
AJlOKA ",_." :J'M",.. CNpler f 031
...., T~ I T_lpN.. r....O.N.. I...... No. 'mdien ~WrLL DePTH (catnplelOGl 307 .. ! 0.,. Wori< eom_.
32 24 22 HV av s 5 HAR. 1999
.j .,. OJ. 'I-
l"'tCNM N~ Str.., NlImf. Ci'l)'.lrG 2iD CocM GI w" LOeIlien Of flf' HumHr OAlWNIi ",(1'>000
201 150TH LANE UN o cn.. Tool 00_ 00"0
..., o A"", Oil""!)' CJllld
$hOw' h~ totllOn of wel '" MQiGn liIrkl wIIft "').-. a"~."... ~ IeGI'tiot\. " .... 1. .
-1 SII''''"GP~''''', O"WHG FLUlO
rDlCl. InG D\IIlG"9'.
" WELL #1 BBR'1'OHITB/NATBR
, -~. + 1
..., -r .,. VSE c .MeM0m9 a ....'ngc""",o
I 1 . . a_lie C COIMll.nIf\' I'W9 CIn4lIOll)'~""';'"
....J -'- .J. .4. .1. C ....., o N_"""ry~s OR_it'
I 1 , I o Tm w,"
w 'T o Dt","~no 0
-;-. . , 1
.r- -r CASING OPl\'4lSh0il7 a YU eNO Hcc..eOIAM.
~ , , , ',-
I :. 0$1"' C Thr..ded 0_'
I .J. _L. 1
-.- 1 I " O'lIIliC 0
.j .
1---------1 CloSING C......!T!~ WEIGHT
...., PROPERN OWNER'S NAME 30 In,I. 109.~ 118.00 bt..rt. 30,,,,,~071l.
CITY OF ANDOVER 24 in. to 17R 0 Q4 "'0 IbIJft. _Ft.tq~ft.
.j
fI'coenvowntfs m,ul'\O.addl... If d"....nl t\i1n wd location 100'111 ifl~tM 800te. ....re ft. ""'-". in.tf_ft.
1685 CROSSTOWN BLVD ItW 'C~!!H I O'EN HCLe
, ANDOVDR, Hit 55304 ...... I-~~ - .....-- - II.
-1 AT'lN: HR SCOTT SR:ICKSON Tl'P" 0_
SiCUOeuz. . t.."9"" .
S.l~ ft.ln" . fl. ,rnINGs:
...., , .
-1 I WELL OWNER.S NAMe ST'T1CWATe~ lZVEL
12.9 ~9C;1l. t) boo"'" ::J abaft l.rd 5Ul'f1~' Otle meuurrd .011 ,., JJ
I CITY or ANDOVER I"UooII'lNG LEvEL I"""'" ..... '..'"COJ
...., Will G~J rrlfil1ng .dCSrtts If CIltftFtI'It!'\al" prwcrty 0WMf1 .de"'" it'IC)It'~tocl :UKivt. I ft. Ift,r nn.l>om~ ._.g.p.ltl.
SAHE. r WEU. I'eAC CCM"lfTION .
;..j . 0 Pi~tS aC&Pttr InMta'IClI.l.., Mode!
i a Cuing PttteelIOP1fl,fP "n"~1i! C 't2 11''1. lbovc ~d..
.., i 0 ".O..CltI~WollS'rnI:lClmQ,ONL"'"
I G~ovnN" ...."'R.....TION .
-1 WoU gra,Md'! C VII C No
GEOI.OGlCAL MATERIAI.S COLOR HARONESS OF' FROM TO GrouI M.stfrjll o,.~ ,-,"*", 0 BenlOl"It. o Co,.tr,l. 0 H~ Soli:s 8entoottl
MUERlAL ......~n'D "178 " 4S-r0- 0 yd,. 0 Doi'
...., SAND BROW'll S E 311 I.... 1o_1l a ..s, 0 ~'O'
.j 1rM' I. II. o ",.. 0 bog.
CLAY & STONE GRAY S 30 45 NU.~!6T KNOWN sou~ce Ol' CONT .....'...TION
I..t~._ d'1~"!O" .._'W><
...., Wetllifi;inl~\IOOt! r;:0l'n01rl(1Qr1? 0'1'.. ON.
SAND/ROCKS BROWN H 4! 61;
....1 ~UM'
SAND/GRAVEL BROWK H 65 90 o Not imt2tWl . ~1.1n$1.1lod
M.lnvfl~S M,"e
...., : '. . .
..0<loI.......... HI" Vol~___
....J ST LAWRElICE YELLOW H 90 113 '-""!Ih 01 ,,"" p~ . Il Cap,clty. o.~.'".
~l'Il1ure riM ~Pfd'" .
l'RANCOHIA I YEL/GRI H 113 270 T)'pG: 0 Swrnttlibl. o ...S. T\,ItO!f\C o Rocipc'oct1if1j :J Jet ::J
...., ,
I
..J WBT IGRJ ABANCONfO weLI.S
J:RONTOH/GAL , H 270 307 Dot. ptcpttty hl\i' I". not it \1St atld not I..IK -"b(IJ" CYH TJ ~lO
VARIANCe .
..., EAU CLAIRE YJ:L/BRl H 307 310
Wu :l drilta gtlnwclttOrft tnt "011 for L"lis w.!1P. CY.. o No
-1 ~u. CCNTIlAcioll Celmf'lCIoTI()IO
Us. , _.ellt"4lhHt, , tIHtf1<<I Th;. \WI WI' O'lUcd ~er my .u~iOt'I.MI tn ICCORJ;nc:. wdh Minnttell ,lIIh.!I... Cr\lpl,r 472',
..., Tll' lnforma'liOft tMlIiMG In r". ,.pon I$; fNl: to tne ~ Qf m~ kno..-~g..
REMARKS. ELEVAT'ON, SOURCE OF OATA, .Ie:.
.....1 N-261 S.H. ~SRNER & SONS, IXC. 71015
r3~ 4!G". Ot R-s'. No.
..., H.G.S. QUAD NUHBBR W!.
ELEVATION e99 1 .1- 21"1' o ........ ___ 03/05i99
J A_RoplfJlflI.WO$iq".,.,. _'M'
-1\ WORK COHPLE'l'ED 'l'ICDA Dol.
HR DAM !'ABIAH (651) .29Z-451.! ROD SIGAFOOS 03/05199
.., - - --- - - ------- .- ---- --... _.. _.-
TOTRL P,02
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...,
-J
..., '.
-1
....,
-1
-.
...J
....,
...J
....,
-J
....,
...J
....,
-1
....,
-1
...., APPENDIX D
-1
...., Rate Evaluation
...J
....,
...J
....,
.j
....,
-1
....,
. .
...,
,
~
..
-1
..
...J
..
.--1
.,
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