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Water Quality Report

Chippewa Falls, WI

Chippewa County · 13,622 residents · 4 water systems

11

Contaminants detected

4

PFAS compounds

100

Hardness (mg/L)

0

Above legal limits

4

Above health guidelines

Chippewa Falls drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 7 others. PFAS compounds have been detected at trace levels in Chippewa Falls water. Water hardness is 100 mg/L (moderately hard), which is within a typical range for the region.

Contaminants detected in Chippewa Falls water

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

Lead0.0022 / 0.015 mg/L
15% of EPA limit
Nitrate6.4 / 10 mg/L
64% of EPA limit
Copper75 / 1300 ug/L
6% of EPA limit
Radium1.1 / 5 pCi/L
22% of EPA limit
Uranium0.014 / 30 ug/L
0% of EPA limit
Gross Alpha Radiation0.323 / 15 pCi/L
2% of EPA limit
Total Trihalomethanes13.3 / 80 ug/L
17% of EPA limit
7% of EPA limit
Atrazine0.013 / 3 ug/L
0% of EPA limit
Barium0.02 / 2 mg/L
1% of EPA limit
Fluoride0.16 / 4 mg/L
4% of EPA limit
PFAS (4 compounds detected)
Microplastics (not routinely tested)

Other cities in Chippewa County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Chippewa Falls, WI tap water safe to drink?
Chippewa Falls tap water meets EPA legal standards (Maximum Contaminant Levels). However, 4 contaminants are present above independent health guidelines, which are often stricter than legal limits. 11 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 Chippewa Falls water?
Monitoring has detected 11 contaminants in Chippewa Falls's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Barium, Fluoride. Additionally, 4 PFAS compounds have been detected at trace levels. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Chippewa Falls water have PFAS?
Yes. 4 PFAS compounds have been detected in Chippewa Falls'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 Chippewa Falls get its drinking water?
Chippewa Falls'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. Chippewa Falls is served by 4 water systems, the largest being CHIPPEWA FALLS WATERWORKS (serving 13,375 people).

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