MC LEAN
Illinois — Community Water System — PWSID: IL1130850
System Information
| PWSID | IL1130850 |
| System Name | MC LEAN |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | MC LEAN |
| ZIP Code | 61754 |
| Address | VILLAGE HALL |
| Organization | RUTHERFORD, GREG A. |
| Phone | 309-874-2102 |
Population & Service
| Population Served | 791 |
| Service Connections | 361 |
Drinking Water Violations (38)
This water system has 38 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 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2024 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Jan 23, 2006 | Mar 31, 2006 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2006 | — | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2000 | — | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2000 | — | |
| Oct 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1995 | — | |
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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.