Water Quality Report
Dawson, IL
Sangamon County · 2,375 residents · 1 water system
6
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Dawson drinking water comes from groundwater wells. Based on the most recent monitoring data, 6 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 2 others.
Contaminants detected in Dawson 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
Nitrate0.13 / 10 mg/L
1% of EPA limit
Copper138 / 1300 ug/L
11% of EPA limit
Radium1 / 5 pCi/L
21% of EPA limit
Total Trihalomethanes13 / 80 ug/L
16% of EPA limit
Haloacetic Acids (HAA5)5 / 60 ug/L
8% of EPA limit
Microplastics (not routinely tested)
Water systems serving Dawson
Other cities in Sangamon County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Dawson, IL tap water safe to drink?
Dawson tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 6 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, 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 Dawson water?
Monitoring has detected 6 contaminants in Dawson's water supply: Lead, Nitrate, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Where does Dawson get its drinking water?
Dawson'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. Dawson is served by one water system: DAWSON.
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