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OAK LAWN

Serving 1 city in IL

Warning
4 above health guidelines
55K
People Served
1
City
1
Water Sources
0
MCL Violations

Official OAK LAWN Resources

OAK LAWN Service Area

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Service Area

This map shows the approximate service area for OAK LAWN. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

OAK LAWN Water Quality Grade

D
Poor

Multiple water quality concerns identified.

Quality Score60/100
4
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is OAK LAWN Water Safe to Drink?

OAK LAWN has reported 4 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 55,022 people across 1 city in IL. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

OAK LAWN Service Area

OAK LAWN Contact & Information

Emergency Line

708) 422-8292

24/7 After-Hours

Mailing Address

Oak Lawn Village Hall 9446 S Raymond Ave Oak Lawn, IL 60453

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

conventionalpre-oxidation with chlorine

Disinfectant Used

chlorine

OAK LAWN Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for OAK LAWN

Based on water quality data from cities served by OAK LAWN, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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