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Water Quality Report

Chicago Heights, IL

Cook County · 26,184 residents · 1 water system

4

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Chicago Heights drinking water comes from surface water. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). PFAS testing has been conducted with no detections.

Contaminants detected in Chicago Heights water

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

Lead0.0059 / 0.015 mg/L
39% of EPA limit
Copper314 / 1300 ug/L
24% of EPA limit
Total Trihalomethanes19.6 / 80 ug/L
25% of EPA limit
9% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in Cook County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Chicago Heights, IL tap water safe to drink?
Chicago Heights 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. 4 contaminants have been detected in the water supply, including Lead, Copper, 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 Chicago Heights water?
Monitoring has detected 4 contaminants in Chicago Heights's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Chicago Heights water have PFAS?
Chicago 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 Chicago Heights get its drinking water?
Chicago Heights's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Chicago Heights is served by one water system: CHICAGO HEIGHTS.

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