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Water Quality Report

Little Suamico, WI

90 residents · 1 water system

15

Contaminants detected

0

PFAS compounds

171

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Little Suamico drinking water comes from groundwater wells. Based on the most recent monitoring data, 15 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 11 others. Water hardness is 171 mg/L (hard), which is within a typical range for the region.

Contaminants detected in Little Suamico water

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

Lead0.00055 / 0.015 mg/L
4% of EPA limit
Nitrate0.073 / 10 mg/L
1% of EPA limit
Copper22 / 1300 ug/L
2% of EPA limit
Radon1150 pCi/L
UnregulatedRadionuclide
Radium3.6 / 5 pCi/L
72% of EPA limit
Uranium0.109 / 30 ug/L
0% of EPA limit
Gross Alpha Radiation6.1 / 15 pCi/L
41% of EPA limit
4% of EPA limit
3% of EPA limit
Barium0.018 / 2 mg/L
1% of EPA limit
Fluoride0.47 / 4 mg/L
12% of EPA limit
Toluene3.3 / 1000 ug/L
0% of EPA limit
Cyanide0.0036 / 0.2 mg/L
2% of EPA limit
Di(2-ethylhexyl) phthalate0.3 / 6 ug/L
5% of EPA limit
Gross Beta2.5 / 50 pCi/L
5% of EPA limit
Microplastics (not routinely tested)

Frequently asked questions

Is Little Suamico, WI tap water safe to drink?
Little Suamico 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. 15 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 Little Suamico water?
Monitoring has detected 15 contaminants in Little Suamico's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Toluene, Cyanide, Di(2-ethylhexyl) phthalate, Gross Beta. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Little Suamico water hard?
Yes. Little Suamico water has a hardness of 171 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 Little Suamico get its drinking water?
Little 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. Little Suamico is served by one water system: RUSTIC ACRES MHP.

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