Skip to content

Water Quality Report

Suamico, WI

Brown County · 4,697 residents · 1 water system

16

Contaminants detected

1

PFAS compounds

240

Hardness (mg/L)

3

Above legal limits

3

Above health guidelines

Suamico drinking water comes from groundwater wells. Based on the most recent monitoring data, 16 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 12 others. PFAS compounds have been detected at trace levels in Suamico water. Water hardness is 240 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

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
Nitrate0.088 / 10 mg/L
1% of EPA limit
Copper72 / 1300 ug/L
6% of EPA limit
Radon219 pCi/L
UnregulatedRadionuclide
Radium7.2 / 5 pCi/L
145% of EPA limit
Uranium0.522 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation26 / 15 pCi/L
150% of EPA limit
9% of EPA limit
3% of EPA limit
Nickel0.0023 mg/L
UnregulatedInorganic
Barium0.044 / 2 mg/L
2% of EPA limit
Fluoride1.7 / 4 mg/L
43% of EPA limit
Beryllium0.000066 / 0.004 mg/L
2% of EPA limit
Asbestos400000 / 7 fib/l
150% of EPA limit
Toc0.68 mg/L
Unregulated
Lithium15 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

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 3 contaminants currently measured above EPA legal standards (Maximum Contaminant Levels), and 3 above independent health guidelines. 16 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, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Suamico water?
Monitoring has detected 16 contaminants in Suamico's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Fluoride, Beryllium, Asbestos, Toc, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 3 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.
Is Suamico water hard?
Yes. Suamico water has a hardness of 240 mg/L (very 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 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.

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 Suamico.

Schedule an onsite consultation.