Water Quality Report
Stonington, IL
Christian County · 1,800 residents · 2 water systems
3
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Stonington drinking water comes from groundwater wells. Based on the most recent monitoring data, 3 contaminants have been detected in the water supply, including Lead, Nitrate, Total Trihalomethanes.
Contaminants detected in Stonington water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate4.7 / 10 mg/L
47% of EPA limit
Total Trihalomethanes3.6 / 80 ug/L
5% of EPA limit
Microplastics (not routinely tested)
Other cities in Christian County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Stonington, IL tap water safe to drink?
Stonington tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 3 contaminants have been detected in the water supply, including Lead, Nitrate, Total Trihalomethanes. Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Stonington water?
Monitoring has detected 3 contaminants in Stonington's water supply: Lead, Nitrate, Total Trihalomethanes. See individual system reports for concentrations relative to EPA limits.
Where does Stonington get its drinking water?
Stonington's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Stonington is served by 2 water systems, the largest being STONINGTON (serving 932 people).
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