Walworth County · 2,474 residents · 3 water systems
11
Contaminants detected
5
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Walworth 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 compounds have been detected at trace levels in Walworth water.
Contaminants detected in Walworth water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Walworth tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Total Trihalomethanes. 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 Walworth water?
Monitoring has detected 11 contaminants in Walworth's water supply: Lead, Nitrate, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Selenium, PFHpA (Perfluoroheptanoic Acid), Barium, Fluoride. Additionally, 5 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Walworth water have PFAS?
Yes. 5 PFAS compounds have been detected in Walworth's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Where does Walworth get its drinking water?
Walworth'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. Walworth is served by 3 water systems, the largest being WALWORTH WATERWORKS (serving 2,304 people).
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