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Water Quality Report

Prospect Heights, IL

Cook County · 2,362 residents · 2 water systems

4

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Prospect Heights drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5).

Contaminants detected in Prospect Heights water

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

Lead0.0045 / 0.015 mg/L
30% of EPA limit
Copper72 / 1300 ug/L
6% of EPA limit
Total Trihalomethanes33.8 / 80 ug/L
42% of EPA limit
27% of EPA limit
Microplastics (not routinely tested)

Other cities in Cook County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Prospect Heights, IL tap water safe to drink?
Prospect 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 Prospect Heights water?
Monitoring has detected 4 contaminants in Prospect 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.
Where does Prospect Heights get its drinking water?
Prospect Heights's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Prospect Heights is served by 2 water systems, the largest being PROSPECT HEIGHTS (serving 2,280 people).

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