Skip to content

Water Quality Report

Union Grove, WI

Racine County · 5,850 residents · 2 water systems

11

Contaminants detected

1

PFAS compounds

Hardness (mg/L)

1

Above legal limits

5

Above health guidelines

Union Grove drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Copper, Radium, Gross Alpha Radiation, and 7 others. PFAS compounds have been detected at trace levels in Union Grove water.

Contaminants detected in Union Grove 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
Copper138 / 1300 ug/L
11% of EPA limit
Radium3.8 / 5 pCi/L
75% of EPA limit
Gross Alpha Radiation8.3 / 15 pCi/L
55% of EPA limit
Total Trihalomethanes0.05 / 80 ug/L
0% of EPA limit
0% of EPA limit
Nickel0.0013 mg/L
UnregulatedInorganic
Gross Beta4.4 / 50 pCi/L
9% of EPA limit
Barium0.028 / 2 mg/L
1% of EPA limit
Fluoride1.2 / 4 mg/L
29% of EPA limit
Lithium12 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Racine County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Union Grove, WI tap water safe to drink?
Union Grove tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 5 above independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Union Grove water?
Monitoring has detected 11 contaminants in Union Grove's water supply: Lead, Copper, Radium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Gross Beta, Barium, Fluoride, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 5 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Union Grove water have PFAS?
Yes. 1 PFAS compounds have been detected in Union Grove's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Where does Union Grove get its drinking water?
Union Grove'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. Union Grove is served by 2 water systems, the largest being UNION GROVE WATERWORKS (serving 4,900 people).

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.