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Stevens Point Water Department
2006 Consumer Confidence Report

Annual Drinking Water Quality Report

The staff and management of the City of Stevens Point Water Department are proud to provide safe, dependable water to you 24 hours a day, seven days a week, 365 days a year. The bottom line is: our water meets or exceeds all federal and state standards for quality and safety. This report describes Stevens Point's drinking water quality, which conforms to federal regulations.

The 1996 Safe Drinking Water Act Amendments require that all community water systems provide their customers with an annual report on the quality of their drinking water. This Consumer Confidence Report (CCR) gives the Water Department the opportunity to communicate to the public issues we face in providing safe, clean drinking water. It is also a way to document and communicate needs the Water Department has in regards to updating equipment and operational procedures as we look to the future.

2005 Test Results

The Stevens Point Water Department routinely monitors your drinking water in compliance with Federal and State laws. This table shows the results of our monitoring for the period of January 1 to December 31, 2005. All drinking water, including bottled drinking water, may be reasonably expected to contain at least small amounts of some contaminants. It is important to remember that the presence of these contaminants does not necessarily pose a health risk. All sources of drinking water are subject to potential contamination by constituents that are naturally occurring or manmade. Those constituents can be microbes, organic or inorganic chemicals, or radioactive materials or pesticides and herbicides.

Any test results prior to 2005 are by regulation requirements. If you have any questions regarding this report, please contact Director Kim Halverson at (715) 345-5260.

     

 

       

TEST RESULTS

Contaminant

Violation
Y/N

Sample Date
(if prior to 2005)

Level
Detected

Range

MCLG

MCL

Likely Source of Contamination

 

 

 

 

 

 

 

 
Radioactive Contaminants

Gross Alpha, Excl.
R & U (pCi/l)

NO

3/10/2003

9.9

9.9

0

15

Erosion of natural deposits
 

 

 

 

 

 

 

 
Inorganic Contaminants

Barium (ppm)

NO

 

Average
.020

.018 - .022

2

2

Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits
Copper (ppm)

NO

 

.8090

.0050 - 1.0800

1.3

AL = 1.3

Corrosion of household plumbing
systems; erosion of natural deposits; leaching from wood preservatives
Fluoride (ppm)

NO

 

Average
1.0

nd - 1.4

4

4

Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories

Lead (ppb)

NO*

 

4.40

nd - 20.8

0

AL=15

Corrosion of household plumbing
systems, erosion of natural deposits

Nitrate (as Nitrogen) (N03-N) (ppm)

NO

 

Average 7.14

2.56 - 9.34

10

10

Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits

Nickel (ppb)

NO

 

Average
.1333

nd - .4000

0

100

Nickel occurs naturally in soils, ground water and surface waters and is often used in electroplating, stainless steel and alloy products.

Sodium (ppm)

NO

 

Average
22.72

4.75 - 33.00

N/A

N/A

N/A

Chromium (ppb)

NO

 

Average
1

nd - 2

100

100

Discharge from steel and pulp mills; Erosion of natural deposits
 

 

 

 

 

 

 

 
Unregulated Contaminants
Bromodichloro-
methane (ppb)

NO

 

Average
2.00

nd - 4.00

N/A

N/A

N/A
Chloroform (ppb)

NO

 

Average
7.88

nd - 15.00

N/A

N/A

N/A
Dibromochloro-
methane (ppb)

NO

 

Average
.26

nd - .54

N/A

N/A

N/A
Sulfate (ppm)

NO

 

Average
16.5

16.10 - 17.10

N/A

N/A

N/A
 

 

 

 

 

 

 

 
Volatile Organic Contaminants
TTHM (ppb)
[Total trihalo-
methanes]

NO

3/10/04 - 12/01/04

Average
10.1

nd - 19.5

0

80

By-product of drinking
water chlorination
 

 

 

 

 

 

 

 
Disinfection Byproducts
HAA5 (ppb)

NO

 

Average
2

1.3

60

60

By-product of drinking
water chlorination
 

 

 

 

 

 

 

 
Microbiological Contaminants
Coliform (TCR)

NO

 

1

 

0

presence of coliform bacteria in >= 5% of monthly samples

Naturally present
in the environment

*Systems exceeding a lead and/or copper action level must take actions to reduce lead and/or copper in the drinking water. The lead and copper values represent the 90th percentile of all compliance samples collected. If you want information on the number of sites or the actions taken to reduce these levels, please contact your water supply operator.

Number of Contaminants Required to be Tested

This table displays the number of contaminants that were required to be tested in the last five years. The CCR may contain up to five years worth of water quality results.  If a water system tests annually, or more frequently, the results from the most recent year are shown on the CCR. If testing is done less frequently, the results shown on the CCR are from the past five years.

Contaminant Group

# of Contaminants

   
Inorganic Contaminants

16

Radioactive Contaminants

1

Unregulated Contaminants

33

Microbiological Contaminants

2

Volatile Organic Contaminates

21

Synthetic Organic Contaminants including Pesticides and Herbicides

24

Disinfection Byproducts

1

Definition of Terms

For your convenience, this table provides definitions of many terms and abbreviations that you may not be familiar with:

    (ND) Non-Detects - Laboratory analysis indicates that the constituent is not present.

    (ppm) Parts per million or (mg/l) Milligrams per liter - One part per million corresponds to one minute in two years or a single penny in $10,000.

    (ppb) Parts per billion or Micrograms per liter - One part per billion corresponds to one minute in 2,000 years, or a single penny in $10,000,000.

    (pCi/L) Picocuries per liter - Picocuries per liter is a measure of the radioactivity in water.

    (AL) Action Level - The concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow.

    (TT) Treatment Technique - A treatment technique is a required process intended to reduce the level of a contaminant in drinking water.

    (MCL) Maximum Contaminant Level - The "Maximum Allowed" is the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

    (MCLG) Maximum Contaminant Level Goal - The "Goal" is the level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.
     

    (MFL) Million Fibers per Liter.
     

    (mrem/year) Millirems per year - A measure of radiation absorbed by the body.
     

    (NTU) Nephelometric Turbidity Units.
     

    (ppt) Parts per Trillion - or nanograms per liter.
     

    (ppq) Parts per quadrillion - or picograms per liter.
     

    (TCR) Total Coliform Rule

MCLs are set at very stringent levels. To understand the possible health effects described for many regulated constituents, a person would have to drink 2 liters of water every day at the MCL level for a lifetime to have a one-in-a-million chance of having the described health effect.

Nitrate in drinking water at levels above 10 ppm is a health risk for infants of less than six months of age. High nitrate levels in drinking water can cause blue baby syndrome. Nitrate levels may rise quickly for short periods of time because of rainfall or agricultural activity. If you are caring for an infant you should ask for advice from your health provider.

TTHMs (Total Trihalomethanes). Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer.
       

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