Water Quality Report
Suamico, WI
Brown County · 4,697 residents · 1 water system
11
Contaminants detected
1
PFAS compounds
—
Hardness (mg/L)
1
Above legal limits
3
Above health guidelines
Suamico drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Copper, Radon, Radium, and 7 others. PFAS compounds have been detected at trace levels in Suamico water.
Contaminants detected in Suamico 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
Copper310 / 1300 ug/L
24% of EPA limit
Radon219 pCi/L
UnregulatedRadionuclide
Radium6 / 5 pCi/L
119% of EPA limit
Uranium0.386 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation11.2 / 15 pCi/L
75% of EPA limit
Total Trihalomethanes8.1 / 80 ug/L
10% of EPA limit
Haloacetic Acids (HAA5)2.1 / 60 ug/L
3% of EPA limit
Barium0.053 / 2 mg/L
3% of EPA limit
Fluoride1.7 / 4 mg/L
43% of EPA limit
Lithium15 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)
Water systems serving Suamico
Other cities in Brown County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Suamico, WI tap water safe to drink?
Suamico tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 3 above independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Copper, Radon, Radium, Uranium. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Suamico water?
Monitoring has detected 11 contaminants in Suamico's water supply: Lead, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Suamico water have PFAS?
Yes. 1 PFAS compounds have been detected in Suamico'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 Suamico get its drinking water?
Suamico'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. Suamico is served by one water system: SUAMICO WATERWORKS.
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