Water Quality Report
Gardner, IL
Grundy County · 1,750 residents · 2 water systems
5
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
1
Above legal limits
2
Above health guidelines
Gardner drinking water comes from groundwater wells. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 1 others.
Contaminants detected in Gardner 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
Nitrate0.126 / 10 mg/L
1% of EPA limit
Copper742 / 1300 ug/L
57% of EPA limit
Radium2.8 / 5 pCi/L
57% of EPA limit
Total Trihalomethanes32 / 80 ug/L
40% of EPA limit
Microplastics (not routinely tested)
Other cities in Grundy County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Gardner, IL tap water safe to drink?
Gardner tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 5 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Total Trihalomethanes. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Gardner water?
Monitoring has detected 5 contaminants in Gardner's water supply: Lead, Nitrate, Copper, Radium, Total Trihalomethanes. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Gardner get its drinking water?
Gardner'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. Gardner is served by 2 water systems, the largest being GARDNER (serving 1,361 people).
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