COLCHESTER
Illinois — Community Water System — PWSID: IL1090200
System Information
| PWSID | IL1090200 |
| System Name | COLCHESTER |
| 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 | COLCHESTER |
| ZIP Code | 62326 |
| Address | CITY OF COLCHESTER |
| Organization | WEBER, JUSTIN W. |
| Phone | 309-776-3105 |
Population & Service
| Population Served | 1,395 |
| Service Connections | 620 |
Drinking Water Violations (172)
This water system has 172 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2009 | — | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2009 | — | |
| Mar 1, 2008 | Mar 31, 2008 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2008 | — | |
| Mar 1, 2008 | Mar 31, 2008 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2008 | — | |
| Mar 1, 2008 | Mar 31, 2008 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2008 | — | |
| Mar 1, 2008 | Mar 31, 2008 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2008 | — | |
| Mar 1, 2008 | Mar 31, 2008 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2008 | — | |
| Feb 11, 2008 | — | Other | No | No | — | — | — | Resolved | Mar 3, 2008 | — | |
| Feb 11, 2008 | — | Other | No | No | — | — | — | Resolved | Mar 3, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Feb 1, 2008 | Feb 29, 2008 | TT | Yes | No | — | — | — | Resolved | Feb 29, 2008 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Dec 1, 2007 | Dec 31, 2007 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | TT | Yes | No | — | — | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | TT | Yes | No | — | — | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | TT | Yes | No | — | — | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | TT | Yes | No | — | — | — | Resolved | May 31, 2007 | — | |
| May 1, 2007 | May 31, 2007 | TT | Yes | No | — | — | — | Resolved | May 31, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2007 | — | |
| Apr 1, 2007 | Apr 30, 2007 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Mar 1, 2007 | Mar 31, 2007 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2007 | — | |
| Aug 1, 2006 | Aug 31, 2006 | TT | Yes | No | — | — | — | Resolved | Aug 31, 2006 | — | |
| Aug 1, 2006 | Aug 31, 2006 | TT | Yes | No | — | — | — | Resolved | Aug 31, 2006 | — |
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.