Water Quality Report
Arena, WI
Iowa County · 877 residents · 1 water system
17
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Arena drinking water comes from groundwater wells. Based on the most recent monitoring data, 17 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 13 others. PFAS testing has been conducted with no detections.
Contaminants detected in Arena water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0011 / 0.015 mg/L
7% of EPA limit
Nitrate0.04 / 10 mg/L
0% of EPA limit
Copper490 / 1300 ug/L
38% of EPA limit
Radon139 pCi/L
UnregulatedRadionuclide
Radium3.3 / 5 pCi/L
66% of EPA limit
Uranium0.355 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation12.3 / 15 pCi/L
82% of EPA limit
Total Trihalomethanes2.3 / 80 ug/L
3% of EPA limit
Haloacetic Acids (HAA5)0.62 / 60 ug/L
1% of EPA limit
Nickel0.0037 mg/L
UnregulatedInorganic
Xylenes0.52 / 10000 ug/L
0% of EPA limit
Fluoride0.75 / 4 mg/L
19% of EPA limit
Barium0.034 / 2 mg/L
2% of EPA limit
1,2-Dichloroethane0.3 / 5 ug/L
6% of EPA limit
Dichloromethane0.36 / 5 ug/L
7% of EPA limit
Toluene0.52 / 1000 ug/L
0% of EPA limit
Bromochloromethane0.27 ug/L
UnregulatedVOC
PFAS (tested — none detected)
Microplastics (not routinely tested)
Water systems serving Arena
Other cities in Iowa County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Arena, WI tap water safe to drink?
Arena 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. 17 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, 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 Arena water?
Monitoring has detected 17 contaminants in Arena's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Xylenes, Fluoride, Barium, 1,2-Dichloroethane, Dichloromethane, Toluene, Bromochloromethane. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Arena water have PFAS?
Arena'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 Arena get its drinking water?
Arena'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. Arena is served by one water system: ARENA WATERWORKS.
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