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Water Quality Report

Gays Mills, WI

Crawford County · 490 residents · 1 water system

10

Contaminants detected

0

PFAS compounds

226

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Gays Mills drinking water comes from groundwater wells. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 6 others. PFAS testing has been conducted with no detections. Water hardness is 226 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Gays Mills water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0013 / 0.015 mg/L
9% of EPA limit
Nitrate0.029 / 10 mg/L
0% of EPA limit
Copper72.6 / 1300 ug/L
6% of EPA limit
Radium4.8 / 5 pCi/L
96% of EPA limit
Uranium0.14 / 30 ug/L
0% of EPA limit
Gross Alpha Radiation2.9 / 15 pCi/L
19% of EPA limit
Total Trihalomethanes0.82 / 80 ug/L
1% of EPA limit
1% of EPA limit
Fluoride0.03 / 4 mg/L
1% of EPA limit
Barium0.0496 / 2 mg/L
2% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in Crawford County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Gays Mills, WI tap water safe to drink?
Gays Mills 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. 10 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 Gays Mills water?
Monitoring has detected 10 contaminants in Gays Mills's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Barium. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Gays Mills water have PFAS?
Gays Mills'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.
Is Gays Mills water hard?
Yes. Gays Mills water has a hardness of 226 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Gays Mills get its drinking water?
Gays Mills'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. Gays Mills is served by one water system: GAYS MILLS WATERWORKS.

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