Walworth County · 2,601 residents · 1 water system
10
Contaminants detected
0
PFAS compounds
81
Hardness (mg/L)
1
Above legal limits
1
Above health guidelines
Williams Bay drinking water comes from groundwater wells. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 6 others. Water hardness is 81 mg/L (moderately hard), which is within a typical range for the region.
Contaminants detected in Williams Bay water
10 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Williams Bay tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 10 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Williams Bay water?
Monitoring has detected 10 contaminants in Williams Bay's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Xylenes, Nitrite, Fluoride, Barium. 1 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Williams Bay get its drinking water?
Williams Bay'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. Williams Bay is served by one water system: WILLIAMS BAY WATERWORKS.
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