Coon Valley drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 7 others. PFAS testing has been conducted with no detections. Water hardness is 205 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Coon Valley water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Coon Valley tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Gross Alpha Radiation. Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Coon Valley water?
Monitoring has detected 11 contaminants in Coon Valley's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Beryllium, Barium, Fluoride. See individual system reports for concentrations relative to EPA limits.
Does Coon Valley water have PFAS?
Coon Valley'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 Coon Valley water hard?
Yes. Coon Valley water has a hardness of 205 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 Coon Valley get its drinking water?
Coon Valley'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. Coon Valley is served by one water system: COON VALLEY WATERWORKS.
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