Waukesha County · 2,580 residents · 3 water systems
13
Contaminants detected
0
PFAS compounds
290
Hardness (mg/L)
0
Above legal limits
7
Above health guidelines
Dousman drinking water comes from groundwater wells. Based on the most recent monitoring data, 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 9 others. Water hardness is 290 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Dousman water
13 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Dousman tap water meets EPA legal standards (Maximum Contaminant Levels). However, 7 contaminants are present above independent health guidelines, which are often stricter than legal limits. 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. 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 Dousman water?
Monitoring has detected 13 contaminants in Dousman's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Fluoride, Nitrite. 7 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Dousman water hard?
Yes. Dousman water has a hardness of 290 mg/L (very 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 Dousman get its drinking water?
Dousman'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. Dousman is served by 3 water systems, the largest being DOUSMAN WATER UTILITY (serving 2,350 people).
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