OAK FOREST

Illinois — Community Water System — PWSID: IL0312190

System Information

PWSIDIL0312190
System NameOAK FOREST
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityOAK FOREST
ZIP Code60452
AddressCITY OF OAK FOREST
OrganizationSALAMOWICZ, MICHAEL
Phone708-535-4090

Population & Service

Population Served27,478
Service Connections8,497

Drinking Water Violations (24)

This water system has 24 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 2, 2025 RPT No No Unaddressed
Jul 2, 2025 RPT No No Unaddressed
Jul 1, 2025 Other No No Unaddressed
Dec 30, 2020 MR No No TT Resolved Feb 3, 2021
Dec 30, 2020 MR No No TT Resolved Feb 3, 2021
Jul 1, 2019 Other No No Resolved Jul 10, 2019
Jul 1, 2019 Other No No Resolved Jul 10, 2019
Jul 1, 2016 Other No No Resolved Aug 3, 2016
Jul 1, 2016 Other No No Resolved Aug 3, 2016
Jul 1, 2009 Other No No Resolved Jul 20, 2009
Jul 1, 2009 Other No No Resolved Jul 20, 2009
Sep 3, 2008 Other No No Resolved Jul 20, 2009
Sep 3, 2008 Other No No Resolved Jul 20, 2009
Jul 1, 2007 Other No No Resolved Jul 27, 2007
Jul 1, 2007 Other No No Resolved Jul 27, 2007
Jun 30, 1977 Jun 29, 1981 MR No No 15 pCi/L Archived Jun 29, 1981
No No
No No
No No
No No
No No
No No
No No
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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