EXETER-MERRITT WATER COOP
Illinois - Community Water System - PWSID: IL1710010
System Information
| PWSID | IL1710010 |
| System Name | EXETER-MERRITT WATER COOP |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 1, 1994 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | WINCHESTER |
| ZIP Code | 62694 |
| Address | 1576 Wallis Road |
| Organization | GRUBB, STEVE |
| Phone | 217-742-8559 |
Population & Service
| Population Served | 820 |
| Service Connections | 328 |
Drinking Water Violations (63)
This water system has 63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 19, 2025 | - | Other | No | No | - | - | - | Resolved | May 9, 2025 | - | |
| Mar 19, 2025 | - | Other | No | No | - | - | - | Resolved | May 9, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .116 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1998 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1994 | - |
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.