OAK FOREST
Illinois - Community Water System - PWSID: IL0312190
System Information
| PWSID | IL0312190 |
| System Name | OAK FOREST |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | OAK FOREST |
| ZIP Code | 60452 |
| Address | CITY OF OAK FOREST |
| Organization | SALAMOWICZ, MICHAEL |
| Phone | 708-535-4090 |
Population & Service
| Population Served | 27,478 |
| Service Connections | 8,497 |
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.