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Water Quality Report

Jackson, WI

Washington County · 7,844 residents · 1 water system

10

Contaminants detected

1

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Jackson 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, Arsenic, Copper, and 6 others. PFAS compounds have been detected at trace levels in Jackson water.

Contaminants detected in Jackson water

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

Lead0.0024 / 0.015 mg/L
16% of EPA limit
Nitrate2.7 / 10 mg/L
27% of EPA limit
Arsenic0.0042 / 0.01 mg/L
42% of EPA limit
Copper690 / 1300 ug/L
53% of EPA limit
Total Trihalomethanes3 / 80 ug/L
4% of EPA limit
Haloacetic Acids (HAA5)1.6 / 60 ug/L
3% of EPA limit
Nickel0.0014 mg/L
UnregulatedInorganic
Barium0.066 / 2 mg/L
3% of EPA limit
Fluoride0.22 / 4 mg/L
6% of EPA limit
Lithium9.9 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Water systems serving Jackson

JACKSON WATERWORKS

7,844 servedGroundwater10 contaminants3 above guidelines
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Other cities in Washington County

Water quality reports for nearby Wisconsin communities.

AllentonColgateGermantownHartfordKewaskumSlingerWest Bend

Frequently asked questions

Is Jackson, WI tap water safe to drink?
Jackson 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. 10 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. 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 Jackson water?
Monitoring has detected 10 contaminants in Jackson's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Fluoride, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Jackson water have PFAS?
Yes. 1 PFAS compounds have been detected in Jackson'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 Jackson get its drinking water?
Jackson'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. Jackson is served by one water system: JACKSON WATERWORKS.

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