Water Quality Report
Coon Valley, WI
Vernon County · 765 residents · 1 water system
8
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Coon Valley drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 4 others. PFAS testing has been conducted with no detections.
Contaminants detected in Coon Valley water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate0.011 / 10 mg/L
0% of EPA limit
Copper67 / 1300 ug/L
5% of EPA limit
Total Trihalomethanes7.9 / 80 ug/L
10% of EPA limit
Haloacetic Acids (HAA5)7.8 / 60 ug/L
13% of EPA limit
Beryllium0.00096 / 0.004 mg/L
24% of EPA limit
Barium0.0295 / 2 mg/L
1% of EPA limit
Fluoride0.09 / 4 mg/L
2% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Coon Valley
Other cities in Vernon County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Coon Valley, WI tap water safe to drink?
Coon Valley tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 8 contaminants in Coon Valley's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), 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.
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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