Waukesha County · 8,437 residents · 3 water systems
11
Contaminants detected
6
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
4
Above health guidelines
Mukwonago 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 Mukwonago water.
Contaminants detected in Mukwonago water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Mukwonago 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. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Uranium. 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 Mukwonago water?
Monitoring has detected 11 contaminants in Mukwonago's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Xylenes, PFHpA (Perfluoroheptanoic Acid), Fluoride. Additionally, 6 PFAS compounds have been detected at trace levels. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Mukwonago water have PFAS?
Yes. 6 PFAS compounds have been detected in Mukwonago'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 Mukwonago get its drinking water?
Mukwonago'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. Mukwonago is served by 3 water systems, the largest being MUKWONAGO WATERWORKS (serving 8,190 people).
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