Water Quality Report
Whitewater, WI
Walworth County · 14,280 residents · 3 water systems
13
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
4
Above health guidelines
Whitewater drinking water comes from groundwater wells. Based on the most recent monitoring data, 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 9 others. PFAS testing has been conducted with no detections.
Contaminants detected in Whitewater water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.01 / 0.015 mg/L
67% of EPA limit
Nitrate0.29 / 10 mg/L
3% of EPA limit
Arsenic0.0032 / 0.01 mg/L
32% of EPA limit
Copper68 / 1300 ug/L
5% of EPA limit
Radium4.2 / 5 pCi/L
84% of EPA limit
Uranium0.686 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation10.1 / 15 pCi/L
67% of EPA limit
Total Trihalomethanes20.4 / 80 ug/L
26% of EPA limit
Haloacetic Acids (HAA5)4.8 / 60 ug/L
8% of EPA limit
Nickel0.004 mg/L
UnregulatedInorganic
Fluoride0.553 / 4 mg/L
14% of EPA limit
Cadmium0.00014 / 0.005 mg/L
3% of EPA limit
Barium0.14 / 2 mg/L
7% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Other cities in Walworth County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Whitewater, WI tap water safe to drink?
Whitewater tap water meets EPA legal standards (Maximum Contaminant Levels). However, 4 contaminants are present above independent health guidelines, which are often stricter than legal limits. 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, 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 Whitewater water?
Monitoring has detected 13 contaminants in Whitewater's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Cadmium, Barium. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Whitewater water have PFAS?
Whitewater'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 Whitewater get its drinking water?
Whitewater'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. Whitewater is served by 3 water systems, the largest being WHITEWATER WATERWORKS (serving 14,000 people).
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