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Water Quality Report

Spencer, WI

Marathon County · 1,848 residents · 1 water system

11

Contaminants detected

2

PFAS compounds

110

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Spencer drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 7 others. PFAS compounds have been detected at trace levels in Spencer water. Water hardness is 110 mg/L (moderately hard), which is within a typical range for the region.

Contaminants detected in Spencer water

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

Lead0.00064 / 0.015 mg/L
4% of EPA limit
Nitrate1.4 / 10 mg/L
14% of EPA limit
Arsenic0.003 / 0.01 mg/L
30% of EPA limit
Copper250 / 1300 ug/L
19% of EPA limit
Radon1413 pCi/L
UnregulatedRadionuclide
Uranium0.067 / 30 ug/L
0% of EPA limit
Total Trihalomethanes43.5 / 80 ug/L
54% of EPA limit
Haloacetic Acids (HAA5)14.3 / 60 ug/L
24% of EPA limit
Fluoride1 / 4 mg/L
26% of EPA limit
Mercury (inorganic)0.000089 / 0.002 mg/L
4% of EPA limit
Barium0.027 / 2 mg/L
1% of EPA limit
PFAS (2 compounds detected)
Microplastics (not routinely tested)

Water systems serving Spencer

SPENCER WATERWORKS

1,848 servedGroundwater11 contaminants3 above guidelines
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Other cities in Marathon County

Water quality reports for nearby Wisconsin communities.

AbbotsfordAthensColbyEdgarHatleyKronenwetterMarathon CityMosineeRothschildSchofieldStratfordWausau

Frequently asked questions

Is Spencer, WI tap water safe to drink?
Spencer 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. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radon. 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 Spencer water?
Monitoring has detected 11 contaminants in Spencer's water supply: Lead, Nitrate, Arsenic, Copper, Radon, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Mercury (inorganic), Barium. Additionally, 2 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Spencer water have PFAS?
Yes. 2 PFAS compounds have been detected in Spencer'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 Spencer get its drinking water?
Spencer'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. Spencer is served by one water system: SPENCER WATERWORKS.

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