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Water Quality Report

Menomonie, WI

Dunn County · 16,823 residents · 4 water systems

18

Contaminants detected

1

PFAS compounds

180

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Menomonie drinking water comes from groundwater wells. Based on the most recent monitoring data, 18 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 14 others. PFAS compounds have been detected at trace levels in Menomonie water. Water hardness is 180 mg/L (hard), which is within a typical range for the region.

Contaminants detected in Menomonie water

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

Lead0.0013 / 0.015 mg/L
9% of EPA limit
Nitrate0.63 / 10 mg/L
6% of EPA limit
Copper9.8 / 1300 ug/L
1% of EPA limit
Radon533 pCi/L
UnregulatedRadionuclide
Radium4 / 5 pCi/L
81% of EPA limit
Uranium0.278 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation4.3 / 15 pCi/L
29% of EPA limit
Trichloroethylene0.41 / 5 ug/L
8% of EPA limit
Total Trihalomethanes5.6 / 80 ug/L
7% of EPA limit
Haloacetic Acids (HAA5)1.5 / 60 ug/L
3% of EPA limit
Atrazine0.018 / 3 ug/L
1% of EPA limit
Nickel0.0013 mg/L
UnregulatedInorganic
Fluoride0.673 / 4 mg/L
17% of EPA limit
Barium0.03 / 2 mg/L
2% of EPA limit
Nitrite0.016 / 1 mg/L
2% of EPA limit
cis-1,2-Dichloroethylene0.31 / 70 ug/L
0% of EPA limit
Toluene0.25 / 1000 ug/L
0% of EPA limit
Toc0.54 mg/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Water systems serving Menomonie

MENOMONIE WATERWORKS

15,950 servedGroundwater18 contaminants1 above guideline
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BIRCH TERRACE MOBILE HOME COMMUNITY

700 servedGroundwater6 contaminants1 above guideline
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CEDAR FALLS ACRES MHP

95 servedGroundwater8 contaminants
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LAFAYETTE COURT

78 servedGroundwater8 contaminants1 above guideline
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Other cities in Dunn County

Water quality reports for nearby Wisconsin communities.

BoycevilleColfaxDownsvilleElk MoundKnappWheeler

Frequently asked questions

Is Menomonie, WI tap water safe to drink?
Menomonie 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. 18 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, Radium. 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 Menomonie water?
Monitoring has detected 18 contaminants in Menomonie's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Trichloroethylene, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Nickel, Fluoride, Barium, Nitrite, cis-1,2-Dichloroethylene, Toluene, Toc. 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 Menomonie water have PFAS?
Yes. 1 PFAS compounds have been detected in Menomonie'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 Menomonie water hard?
Yes. Menomonie water has a hardness of 180 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 Menomonie get its drinking water?
Menomonie'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. Menomonie is served by 4 water systems, the largest being MENOMONIE WATERWORKS (serving 15,950 people).

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