Water Quality Report
River Falls, WI
Pierce County · 16,000 residents · 1 water system
11
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
River Falls 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, Radium, Uranium, and 7 others. PFAS testing has been conducted with no detections.
Contaminants detected in River Falls water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.00088 / 0.015 mg/L
6% of EPA limit
Nitrate0.1 / 10 mg/L
1% of EPA limit
Radium2.3 / 5 pCi/L
46% of EPA limit
Uranium1.7 / 30 ug/L
6% of EPA limit
Gross Alpha Radiation8.6 / 15 pCi/L
57% of EPA limit
Total Trihalomethanes2 / 80 ug/L
3% of EPA limit
Haloacetic Acids (HAA5)0.81 / 60 ug/L
1% of EPA limit
Nickel0.0023 mg/L
UnregulatedInorganic
Selenium0.001 / 0.05 mg/L
2% of EPA limit
Fluoride0.692 / 4 mg/L
17% of EPA limit
Barium0.0057 / 2 mg/L
0% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving River Falls
Other cities in Pierce County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is River Falls, WI tap water safe to drink?
River Falls 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, Radium, Uranium, Gross Alpha Radiation. 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 River Falls water?
Monitoring has detected 11 contaminants in River Falls's water supply: Lead, Nitrate, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Selenium, Fluoride, Barium. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does River Falls water have PFAS?
River Falls'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 River Falls get its drinking water?
River Falls'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. River Falls is served by one water system: RIVER FALLS WATERWORKS.
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