Mauston 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 testing has been conducted with no detections. Water hardness is 135 mg/L (hard), which is within a typical range for the region.
Contaminants detected in Mauston water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Mauston tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 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 Mauston water?
Monitoring has detected 11 contaminants in Mauston's water supply: Lead, Nitrate, Copper, Radium, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Thallium, Barium, Alachlor. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Mauston water have PFAS?
Mauston'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.
Is Mauston water hard?
Yes. Mauston water has a hardness of 135 mg/L (hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Mauston get its drinking water?
Mauston'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. Mauston is served by one water system: MAUSTON WATERWORKS.
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