Water Quality Report
Plain, WI
Sawyer County · 822 residents · 2 water systems
7
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
3
Above health guidelines
Plain drinking water comes from groundwater wells. Based on the most recent monitoring data, 7 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 3 others.
Contaminants detected in Plain water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0027 / 0.015 mg/L
18% of EPA limit
Nitrate1.1 / 10 mg/L
11% of EPA limit
Copper608 / 1300 ug/L
47% of EPA limit
Total Trihalomethanes4.9 / 80 ug/L
6% of EPA limit
Haloacetic Acids (HAA5)1.3 / 60 ug/L
2% of EPA limit
Selenium0.0037 / 0.05 mg/L
7% of EPA limit
Fluoride0.12 / 4 mg/L
3% of EPA limit
Microplastics (not routinely tested)
Other cities in Sawyer County
Water quality reports for nearby Wisconsin communities.
Frequently asked questions
Is Plain, WI tap water safe to drink?
Plain 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. 7 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 Plain water?
Monitoring has detected 7 contaminants in Plain's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Fluoride. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Plain get its drinking water?
Plain'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. Plain is served by 2 water systems, the largest being PLAIN WATERWORKS (serving 792 people).
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.