Trempealeau County · 1,888 residents · 1 water system
11
Contaminants detected
0
PFAS compounds
191
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Trempealeau 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 191 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Trempealeau water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Trempealeau tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Gross Alpha Radiation. Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Trempealeau water?
Monitoring has detected 11 contaminants in Trempealeau's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Barium, Fluoride, Beryllium. See individual system reports for concentrations relative to EPA limits.
Does Trempealeau water have PFAS?
Trempealeau'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 Trempealeau water hard?
Yes. Trempealeau water has a hardness of 191 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 Trempealeau get its drinking water?
Trempealeau'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. Trempealeau is served by one water system: TREMPEALEAU WATERWORKS.
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