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Water Quality Report

Glendale Heights, IL

DuPage County · 33,176 residents · 1 water system

11

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Glendale Heights drinking water comes from surface water. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 7 others. PFAS testing has been conducted with no detections.

Contaminants detected in Glendale Heights 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
Arsenic0.0055 / 0.01 mg/L
55% of EPA limit
Copper290 / 1300 ug/L
22% of EPA limit
Radium1.2 / 5 pCi/L
24% of EPA limit
Total Trihalomethanes41.5 / 80 ug/L
52% of EPA limit
32% of EPA limit
Nickel0.0068 mg/L
UnregulatedInorganic
Barium0.0337 / 2 mg/L
2% of EPA limit
Chromium (total)0.00075 / 0.1 mg/L
1% of EPA limit
Fluoride0.51 / 4 mg/L
13% of EPA limit
Diquat0.77 / 20 ug/L
4% 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 Glendale Heights, IL tap water safe to drink?
Glendale Heights tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 11 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 Glendale Heights water?
Monitoring has detected 11 contaminants in Glendale Heights's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Chromium (total), Fluoride, Diquat. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Glendale Heights water have PFAS?
Glendale Heights'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 Glendale Heights get its drinking water?
Glendale Heights's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Glendale Heights is served by one water system: GLENDALE HEIGHTS.

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