Water Quality Report
Diamond, IL
Grundy County · 2,508 residents · 1 water system
3
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Diamond drinking water comes from groundwater wells. Based on the most recent monitoring data, 3 contaminants have been detected in the water supply, including Lead, Radium, Total Trihalomethanes.
Contaminants detected in Diamond 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
Radium3.2 / 5 pCi/L
65% of EPA limit
Total Trihalomethanes0.636 / 80 ug/L
1% of EPA limit
Microplastics (not routinely tested)
Water systems serving Diamond
Other cities in Grundy County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Diamond, IL tap water safe to drink?
Diamond tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 3 contaminants have been detected in the water supply, including Lead, 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 Diamond water?
Monitoring has detected 3 contaminants in Diamond's water supply: Lead, Radium, Total Trihalomethanes. See individual system reports for concentrations relative to EPA limits.
Where does Diamond get its drinking water?
Diamond'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. Diamond is served by one water system: DIAMOND.
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