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Water Quality Report

Black River Falls, WI

Jackson County · 11,665 residents · 8 water systems

12

Contaminants detected

6

PFAS compounds

Hardness (mg/L)

0

Above legal limits

6

Above health guidelines

Black River Falls drinking water comes from groundwater wells. Based on the most recent monitoring data, 12 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 8 others. PFAS compounds have been detected at trace levels in Black River Falls water.

Contaminants detected in Black River Falls water

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

Lead0.0023 / 0.015 mg/L
15% of EPA limit
Nitrate0.36 / 10 mg/L
4% of EPA limit
Copper15 / 1300 ug/L
1% of EPA limit
Total Trihalomethanes36.6 / 80 ug/L
46% of EPA limit
12% of EPA limit
Nickel0.0043 mg/L
UnregulatedInorganic
Fluoride0.733 / 4 mg/L
18% of EPA limit
Barium0.012 / 2 mg/L
1% of EPA limit
Beryllium0.000081 / 0.004 mg/L
2% of EPA limit
Chromium (total)0.0012 / 0.1 mg/L
1% of EPA limit
PFHpA (Perfluoroheptanoic Acid)0.52 ng/L
UnregulatedPFAS
PFBA (Perfluorobutanoic Acid)0.0068 ug/L
UnregulatedPFAS
PFAS (6 compounds detected)
Microplastics (not routinely tested)

Other cities in Jackson County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Black River Falls, WI tap water safe to drink?
Black River Falls tap water meets EPA legal standards (Maximum Contaminant Levels). However, 6 contaminants are present above independent health guidelines, which are often stricter than legal limits. 12 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 Black River Falls water?
Monitoring has detected 12 contaminants in Black River Falls's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Barium, Beryllium, Chromium (total), PFHpA (Perfluoroheptanoic Acid), PFBA (Perfluorobutanoic Acid). Additionally, 6 PFAS compounds have been detected at trace levels. 6 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Black River Falls water have PFAS?
Yes. 6 PFAS compounds have been detected in Black River 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 Black River Falls get its drinking water?
Black River 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. Black River Falls is served by 8 water systems, the largest being BLACK RIVER FALLS WATERWORKS (serving 3,608 people).

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