Macoupin County · 1,686 residents · 3 water systems
3
Contaminants detected
0
PFAS compounds
101
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Modesto drinking water comes from surface water. Based on the most recent monitoring data, 3 contaminants have been detected in the water supply, including Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). Water hardness is 101 mg/L (moderately hard), which is within a typical range for the region.
Contaminants detected in Modesto water
3 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Modesto tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 3 contaminants have been detected in the water supply, including Lead, 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 Modesto water?
Monitoring has detected 3 contaminants in Modesto's water supply: Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Modesto get its drinking water?
Modesto's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Modesto is served by 3 water systems, the largest being NILWOOD (serving 1,394 people).
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