Water Quality Report
Dane, WI
Dane County · 1,117 residents · 1 water system
9
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Dane drinking water comes from groundwater wells. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 5 others. PFAS testing has been conducted with no detections.
Contaminants detected in Dane water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0031 / 0.015 mg/L
21% of EPA limit
Nitrate5.3 / 10 mg/L
53% of EPA limit
Copper120 / 1300 ug/L
9% of EPA limit
Radium0.464 / 5 pCi/L
9% of EPA limit
Gross Alpha Radiation2.6 / 15 pCi/L
17% of EPA limit
Chromium (total)0.0024 / 0.1 mg/L
2% of EPA limit
Barium0.014 / 2 mg/L
1% of EPA limit
Fluoride0.1 / 4 mg/L
3% of EPA limit
Gross Beta2.3 / 50 pCi/L
5% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Dane
Other cities in Dane County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Dane, WI tap water safe to drink?
Dane 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. 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, 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 Dane water?
Monitoring has detected 9 contaminants in Dane's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, Chromium (total), Barium, Fluoride, Gross Beta. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Dane water have PFAS?
Dane'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 Dane get its drinking water?
Dane'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. Dane is served by one water system: DANE WATERWORKS.
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