Water Quality Report
Blue River, WI
Grant County · 424 residents · 1 water system
11
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Blue River 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.
Contaminants detected in Blue River water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate0.008 / 10 mg/L
0% of EPA limit
Copper95.1 / 1300 ug/L
7% of EPA limit
Radium1.4 / 5 pCi/L
28% of EPA limit
Uranium1.1 / 30 ug/L
4% of EPA limit
Gross Alpha Radiation2.6 / 15 pCi/L
18% of EPA limit
Total Trihalomethanes5.4 / 80 ug/L
7% of EPA limit
Haloacetic Acids (HAA5)16 / 60 ug/L
27% of EPA limit
Selenium0.001 / 0.05 mg/L
2% of EPA limit
Barium0.0987 / 2 mg/L
5% of EPA limit
Fluoride0.15 / 4 mg/L
4% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Blue River
Other cities in Grant County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Blue River, WI tap water safe to drink?
Blue River tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is 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 Blue River water?
Monitoring has detected 11 contaminants in Blue River's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Barium, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Blue River water have PFAS?
Blue River'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 Blue River get its drinking water?
Blue River'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. Blue River is served by one water system: BLUE RIVER WATERWORKS.
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