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Water Quality Report

Readstown, WI

Vernon County · 395 residents · 1 water system

21

Contaminants detected

0

PFAS compounds

220

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Readstown drinking water comes from groundwater wells. Based on the most recent monitoring data, 21 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 17 others. PFAS testing has been conducted with no detections. Water hardness is 220 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Readstown water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0015 / 0.015 mg/L
10% of EPA limit
Nitrate0.005 / 10 mg/L
0% of EPA limit
Copper78.4 / 1300 ug/L
6% of EPA limit
Radon173 pCi/L
UnregulatedRadionuclide
Radium2.6 / 5 pCi/L
51% of EPA limit
Uranium0.211 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation1.1 / 15 pCi/L
7% of EPA limit
Trichloroethylene0.25 / 5 ug/L
5% of EPA limit
Total Trihalomethanes1 / 80 ug/L
1% of EPA limit
Haloacetic Acids (HAA5)1.5 / 60 ug/L
3% of EPA limit
Xylenes4.9 / 10000 ug/L
0% of EPA limit
Styrene0.38 / 100 ug/L
0% of EPA limit
1,1,1,2-Tetrachloroethane0.42 ug/L
Unregulated
1,1,2,2-Tetrachloroethane0.58 ug/L
UnregulatedVOC
1,1,2-Trichloroethane1.9 / 5 ug/L
38% of EPA limit
1,2,4-Trichlorobenzene2.2 / 70 ug/L
3% of EPA limit
Ethylbenzene2.5 / 700 ug/L
0% of EPA limit
Toluene2.3 / 1000 ug/L
0% of EPA limit
Thallium0.0002 / 0.002 mg/L
10% of EPA limit
Barium0.047 / 2 mg/L
2% of EPA limit
Fluoride0.069 / 4 mg/L
2% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Water systems serving Readstown

READSTOWN WATERWORKS

395 servedGroundwater21 contaminants1 above guideline
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Other cities in Vernon County

Water quality reports for nearby Wisconsin communities.

ChaseburgCoon ValleyGenoaHillsboroLa FargeOntarioStoddardViolaViroquaWestby

Frequently asked questions

Is Readstown, WI tap water safe to drink?
Readstown tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 21 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, Radium. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Readstown water?
Monitoring has detected 21 contaminants in Readstown's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Trichloroethylene, Total Trihalomethanes, Haloacetic Acids (HAA5), Xylenes, Styrene, 1,1,1,2-Tetrachloroethane, 1,1,2,2-Tetrachloroethane, 1,1,2-Trichloroethane, 1,2,4-Trichlorobenzene, Ethylbenzene, Toluene, Thallium, Barium, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Readstown water have PFAS?
Readstown's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Is Readstown water hard?
Yes. Readstown water has a hardness of 220 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Readstown get its drinking water?
Readstown's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Readstown is served by one water system: READSTOWN WATERWORKS.

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