Water Quality Report
Wilson, WI
Sauk County · 170 residents · 1 water system
8
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Wilson 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, Haloacetic Acids (HAA5), and 4 others.
Contaminants detected in Wilson water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0035 / 0.015 mg/L
23% of EPA limit
Nitrate1.7 / 10 mg/L
17% of EPA limit
Copper132 / 1300 ug/L
10% of EPA limit
Haloacetic Acids (HAA5)0.28 / 60 ug/L
0% of EPA limit
Atrazine0.068 / 3 ug/L
2% of EPA limit
Barium0.018 / 2 mg/L
1% of EPA limit
Fluoride0.068 / 4 mg/L
2% of EPA limit
Deethylatrazine0.041 ug/L
UnregulatedPesticide
Microplastics (not routinely tested)
Water systems serving Wilson
Other cities in Sauk County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Wilson, WI tap water safe to drink?
Wilson 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. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Haloacetic Acids (HAA5), Atrazine. 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 Wilson water?
Monitoring has detected 8 contaminants in Wilson's water supply: Lead, Nitrate, Copper, Haloacetic Acids (HAA5), Atrazine, Barium, Fluoride, Deethylatrazine. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Wilson get its drinking water?
Wilson'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. Wilson is served by one water system: WILSON WATERWORKS.
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