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Water Quality Report

Oak Park, IL

Cook County · 54,583 residents · 1 water system

0

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Oak Park drinking water comes from surface water. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply. PFAS testing has been conducted with no detections.

Limited monitoring data available

The water system serving Oak Park is small a private system (population served: 54,583) and is not part of Illinois EPA's main contaminant monitoring program. No detected contaminant data is available for this system.

If you're researching the main municipal utility serving Oak Park, search for your specific address below — the search returns the actual water system serving your residence, which may be different from what's listed here.

Water systems serving Oak Park

OAK PARK

54,583 servedSurface water0 contaminants1 above guideline
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Frequently asked questions

Is Oak Park, IL tap water safe to drink?
Oak Park 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. 0 contaminants have been detected in the water supply, including . 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 Oak Park water?
Monitoring has detected 0 contaminants in Oak Park's water supply: . 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Oak Park water have PFAS?
Oak Park'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 Oak Park get its drinking water?
Oak Park's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Oak Park is served by one water system: OAK PARK.

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