UNION-YORK WATER DISTRICT
Illinois — Community Water System — PWSID: IL0235400
System Information
| PWSID | IL0235400 |
| System Name | UNION-YORK WATER DISTRICT |
| 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 | WEST UNION |
| ZIP Code | 62477 |
| Address | P.O. BOX 31 |
| Organization | ST. JOHN, DANIEL R. |
| Phone | 217-822-0563 |
Population & Service
| Population Served | 600 |
| Service Connections | 195 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Mar 26, 2019 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Mar 26, 2019 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Jul 26, 2010 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Jul 26, 2010 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 13, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 13, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 13, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 13, 2007 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Jul 1, 2003 | Sep 30, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2003 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2000 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2000 | — | |
| 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 | — | — | — | — | — | — |
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.