Skip to content

Water Quality Report

Oak Lawn, IL

Cook County · 58,362 residents · 1 water system

0

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Oak Lawn 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 Lawn is small a private system (population served: 58,362) 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 Lawn, 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 Lawn

OAK LAWN

58,362 servedSurface water0 contaminants1 above guideline
View →

Other cities in Cook County

Water quality reports for nearby Illinois communities.

AlsipBedford ParkBellwoodBerkeleyBerwynBlue IslandBridgeviewBroadviewBrookfieldBurnhamCalumet CityCalumet Park

Frequently asked questions

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

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Oak Lawn.

Schedule an onsite consultation.

For my businessFor my home