TINLEY PARK
Illinois - Community Water System - PWSID: IL0314910
System Information
| PWSID | IL0314910 |
| System Name | TINLEY PARK |
| 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 | TINLEY PARK |
| ZIP Code | 60477 |
| Address | 16250 Oak Park Ave. |
| Organization | FITZPATRICK, JOE |
| Phone | 708-444-5530 |
Population & Service
| Population Served | 56,703 |
| Service Connections | 20,816 |
Drinking Water Violations (42)
This water system has 42 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 | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2019 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2013 | - | |
| Oct 6, 2010 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2011 | - | |
| Oct 6, 2010 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2011 | - | |
| Oct 6, 2010 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2011 | - | |
| Oct 6, 2010 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2011 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2007 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2003 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Archived | May 31, 2001 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2000 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
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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.