Water Quality Report
Fox Lake, WI
Dodge County · 3,460 residents · 2 water systems
12
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Fox Lake drinking water comes from groundwater wells. Based on the most recent monitoring data, 12 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 8 others. PFAS testing has been conducted with no detections.
Contaminants detected in Fox Lake 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
Nitrate0.098 / 10 mg/L
1% of EPA limit
Arsenic0.0012 / 0.01 mg/L
12% of EPA limit
Copper24 / 1300 ug/L
2% of EPA limit
Radium1.5 / 5 pCi/L
30% of EPA limit
Uranium0.449 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation3.7 / 15 pCi/L
25% of EPA limit
Total Trihalomethanes14.2 / 80 ug/L
18% of EPA limit
Haloacetic Acids (HAA5)6 / 60 ug/L
10% of EPA limit
Nickel0.0022 mg/L
UnregulatedInorganic
Fluoride0.14 / 4 mg/L
4% of EPA limit
Barium0.21 / 2 mg/L
11% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)
Other cities in Dodge County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Fox Lake, WI tap water safe to drink?
Fox Lake 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. 12 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. 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 Fox Lake water?
Monitoring has detected 12 contaminants in Fox Lake's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Barium. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Fox Lake water have PFAS?
Fox Lake'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 Fox Lake get its drinking water?
Fox Lake'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. Fox Lake is served by 2 water systems, the largest being FOX LAKE CORRECTIONAL INSTITUTION (serving 1,850 people).
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