Skip to content

Water Quality Report

Black River Falls, WI

Jackson County · 11,665 residents · 8 water systems

15

Contaminants detected

6

PFAS compounds

130

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, 15 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 11 others. PFAS compounds have been detected at trace levels in Black River Falls water. Water hardness is 130 mg/L (hard), which is within a typical range for the region.

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
Nitrate0.26 / 10 mg/L
3% of EPA limit
Copper71 / 1300 ug/L
5% of EPA limit
Radium1.2 / 5 pCi/L
24% of EPA limit
Uranium0.108 / 30 ug/L
0% of EPA limit
Total Trihalomethanes33.6 / 80 ug/L
42% of EPA limit
Haloacetic Acids (HAA5)6.9 / 60 ug/L
12% of EPA limit
Nickel0.0056 mg/L
UnregulatedInorganic
Selenium0.0013 / 0.05 mg/L
3% of EPA limit
Fluoride0.656 / 4 mg/L
16% 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
Barium0.043 / 2 mg/L
2% 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)

Water systems serving Black River Falls

BLACK RIVER FALLS WATERWORKS

3,608 servedGroundwater15 contaminants1 above guideline
View →

SAND PILLOW

2,746 servedGroundwater0 contaminants1 above guideline
View →

BROCKWAY SANITARY DIST 1

2,692 servedGroundwater22 contaminants1 above guideline
View →

CEX' HA CI

2,002 servedGroundwater0 contaminants
View →

HO CHUNK VILLAGE

196 servedGroundwater0 contaminants
View →

BLACK RIVER CORRECTIONAL CENTER

163 servedGroundwater11 contaminants2 above guidelines
View →

HO-CHUNK CHE-NUNK

132 servedGroundwater0 contaminants1 above guideline
View →

INDIAN HEIGHTS

126 servedGroundwater0 contaminants
View →

Other cities in Jackson County

Water quality reports for nearby Wisconsin communities.

Alma CenterHixtonMelroseMerrillanTaylor

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. 15 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 Black River Falls water?
Monitoring has detected 15 contaminants in Black River Falls's water supply: Lead, Nitrate, Copper, Radium, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Selenium, Fluoride, Beryllium, Chromium (total), Barium, 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.
Is Black River Falls water hard?
Yes. Black River Falls water has a hardness of 130 mg/L (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 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).

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.

Free water assessment in Black River Falls.

Schedule an onsite consultation.

For my businessFor my home