Water Quality Report
Belleville, WI
Green County · 2,712 residents · 1 water system
13
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
3
Above health guidelines
Belleville drinking water comes from groundwater wells. Based on the most recent monitoring data, 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 9 others.
Contaminants detected in Belleville water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0015 / 0.015 mg/L
10% of EPA limit
Nitrate0.99 / 10 mg/L
10% of EPA limit
Arsenic0.0013 / 0.01 mg/L
13% of EPA limit
Copper180 / 1300 ug/L
14% of EPA limit
Radium2.1 / 5 pCi/L
41% of EPA limit
Uranium1.8 / 30 ug/L
6% of EPA limit
Gross Alpha Radiation5.2 / 15 pCi/L
35% of EPA limit
Total Trihalomethanes2.9 / 80 ug/L
4% of EPA limit
Haloacetic Acids (HAA5)0.39 / 60 ug/L
1% of EPA limit
Nickel0.0022 mg/L
UnregulatedInorganic
Fluoride0.65 / 4 mg/L
16% of EPA limit
Styrene0.96 / 100 ug/L
1% of EPA limit
Barium0.013 / 2 mg/L
1% of EPA limit
Microplastics (not routinely tested)
Water systems serving Belleville
Other cities in Green County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Belleville, WI tap water safe to drink?
Belleville tap water meets EPA legal standards (Maximum Contaminant Levels). However, 3 contaminants are present above independent health guidelines, which are often stricter than legal limits. 13 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 Belleville water?
Monitoring has detected 13 contaminants in Belleville's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Styrene, Barium. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Belleville get its drinking water?
Belleville'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. Belleville is served by one water system: BELLEVILLE WATERWORKS.
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