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Water Quality Report

Menasha, WI

Calumet County · 20,644 residents · 2 water systems

12

Contaminants detected

5

PFAS compounds

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Menasha drinking water comes from surface water. 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 Menasha water.

Contaminants detected in Menasha water

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

Lead0.0011 / 0.015 mg/L
7% of EPA limit
Nitrate0.35 / 10 mg/L
3% of EPA limit
Copper67 / 1300 ug/L
5% of EPA limit
Total Trihalomethanes36.3 / 80 ug/L
45% of EPA limit
40% of EPA limit
Atrazine0.042 / 3 ug/L
1% of EPA limit
Fluoride0.83 / 4 mg/L
21% of EPA limit
PFHpA (Perfluoroheptanoic Acid)0.99 ng/L
UnregulatedPFAS
Barium0.01 / 2 mg/L
1% of EPA limit
Metolachlor0.02 ug/L
UnregulatedVOC
Nitrite0.043 / 1 mg/L
4% of EPA limit
Toc9.7 mg/L
Unregulated
PFAS (5 compounds detected)
Microplastics (not routinely tested)

Other cities in Calumet County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Menasha, WI tap water safe to drink?
Menasha tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is 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 Menasha water?
Monitoring has detected 12 contaminants in Menasha's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Fluoride, PFHpA (Perfluoroheptanoic Acid), Barium, Metolachlor, Nitrite, Toc. Additionally, 5 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Menasha water have PFAS?
Yes. 5 PFAS compounds have been detected in Menasha'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 Menasha get its drinking water?
Menasha's drinking water comes from surface water sources. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Menasha is served by 2 water systems, the largest being MENASHA ELEC & WATER UTIL (serving 15,144 people).

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