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Water Quality Report

Trempealeau, WI

Trempealeau County · 1,888 residents · 1 water system

8

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Trempealeau drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 4 others. PFAS testing has been conducted with no detections.

Contaminants detected in Trempealeau water

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

Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate0.004 / 10 mg/L
0% of EPA limit
Copper259 / 1300 ug/L
20% of EPA limit
Total Trihalomethanes8.6 / 80 ug/L
11% of EPA limit
Haloacetic Acids (HAA5)7.5 / 60 ug/L
12% of EPA limit
Selenium0.001 / 0.05 mg/L
2% of EPA limit
Beryllium0.00023 / 0.004 mg/L
6% of EPA limit
Fluoride0.19 / 4 mg/L
5% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Water systems serving Trempealeau

TREMPEALEAU WATERWORKS

1,888 servedGroundwater8 contaminants
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Other cities in Trempealeau County

Water quality reports for nearby Wisconsin communities.

ArcadiaBlairDodgeElevaEttrickGalesvilleIndependenceOsseoPigeon FallsStrumWhitehall

Frequently asked questions

Is Trempealeau, WI tap water safe to drink?
Trempealeau tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Trempealeau water?
Monitoring has detected 8 contaminants in Trempealeau's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Beryllium, Fluoride. See individual system reports for concentrations relative to EPA limits.
Does Trempealeau water have PFAS?
Trempealeau's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Trempealeau get its drinking water?
Trempealeau'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. Trempealeau is served by one water system: TREMPEALEAU WATERWORKS.

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