Water Quality Report
Elroy, WI
Juneau County · 1,333 residents · 1 water system
11
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Elroy 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.
Contaminants detected in Elroy 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
Nitrate0.314 / 10 mg/L
3% of EPA limit
Copper234 / 1300 ug/L
18% of EPA limit
Radium2 / 5 pCi/L
39% of EPA limit
Gross Alpha Radiation2 / 15 pCi/L
13% of EPA limit
Total Trihalomethanes0.77 / 80 ug/L
1% of EPA limit
Haloacetic Acids (HAA5)3.1 / 60 ug/L
5% of EPA limit
Fluoride0.67 / 4 mg/L
17% of EPA limit
Thallium0.001 / 0.002 mg/L
50% of EPA limit
Barium0.0631 / 2 mg/L
3% of EPA limit
Styrene0.28 / 100 ug/L
0% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Elroy
Other cities in Juneau County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Elroy, WI tap water safe to drink?
Elroy 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 Elroy water?
Monitoring has detected 11 contaminants in Elroy's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Thallium, Barium, Styrene. See individual system reports for concentrations relative to EPA limits.
Does Elroy water have PFAS?
Elroy'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 Elroy get its drinking water?
Elroy'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. Elroy is served by one water system: ELROY WATERWORKS.
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