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Water Quality Report

Glen Ellyn, IL

DuPage County · 28,500 residents · 1 water system

10

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Glen Ellyn drinking water comes from surface water. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 6 others. PFAS testing has been conducted with no detections.

Contaminants detected in Glen Ellyn water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0019 / 0.015 mg/L
12% of EPA limit
Arsenic0.0016 / 0.01 mg/L
16% of EPA limit
Copper121 / 1300 ug/L
9% of EPA limit
Radium1.2 / 5 pCi/L
25% of EPA limit
Total Trihalomethanes35.6 / 80 ug/L
45% of EPA limit
30% of EPA limit
Nickel0.0014 mg/L
UnregulatedInorganic
Barium0.0807 / 2 mg/L
4% of EPA limit
Chromium (total)0.0011 / 0.1 mg/L
1% of EPA limit
Fluoride0.99 / 4 mg/L
25% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in DuPage County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Glen Ellyn, IL tap water safe to drink?
Glen Ellyn 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. 10 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Total Trihalomethanes. 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 Glen Ellyn water?
Monitoring has detected 10 contaminants in Glen Ellyn's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Chromium (total), Fluoride. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Glen Ellyn water have PFAS?
Glen Ellyn's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Glen Ellyn get its drinking water?
Glen Ellyn's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Glen Ellyn is served by one water system: GLEN ELLYN.

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