Milwaukee County · 63,272 residents · 2 water systems
5
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
West Allis drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), and 1 others. PFAS testing has been conducted with no detections.
Contaminants detected in West Allis water
5 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
West Allis 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. 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Orthophosphate. 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 West Allis water?
Monitoring has detected 5 contaminants in West Allis's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Orthophosphate. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does West Allis water have PFAS?
West Allis'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.
Where does West Allis get its drinking water?
West Allis's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. West Allis is served by 2 water systems, the largest being WEST ALLIS WATERWORKS (serving 63,240 people).
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