Water Quality Report
Warrens, WI
Monroe County · 540 residents · 1 water system
8
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Warrens 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, Radium, and 4 others. PFAS testing has been conducted with no detections.
Contaminants detected in Warrens 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
Nitrate1.5 / 10 mg/L
15% of EPA limit
Copper63.2 / 1300 ug/L
5% of EPA limit
Radium0.8 / 5 pCi/L
16% of EPA limit
Gross Alpha Radiation0.84 / 15 pCi/L
6% of EPA limit
Total Trihalomethanes9.1 / 80 ug/L
11% of EPA limit
Haloacetic Acids (HAA5)18.3 / 60 ug/L
31% of EPA limit
Barium0.0268 / 2 mg/L
1% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Warrens
Other cities in Monroe County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Warrens, WI tap water safe to drink?
Warrens 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, 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 Warrens water?
Monitoring has detected 8 contaminants in Warrens's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium. See individual system reports for concentrations relative to EPA limits.
Does Warrens water have PFAS?
Warrens'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 Warrens get its drinking water?
Warrens'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. Warrens is served by one water system: WARRENS WATERWORKS.
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