CHAPIN
Illinois — Community Water System — PWSID: IL1370050
System Information
| PWSID | IL1370050 |
| System Name | CHAPIN |
| System Type | Community Water System |
| Water Source | GUP |
| 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 | CHAPIN |
| ZIP Code | 62628 |
| Address | 510 Everett St |
| Organization | COURIER, CHRISTINA |
| Phone | 217-472-3111 |
Population & Service
| Population Served | 658 |
| Service Connections | 263 |
Drinking Water Violations (46)
This water system has 46 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 2, 2025 | — | TT | Yes | No | — | TT | — | Resolved | Oct 7, 2025 | — | |
| Apr 2, 2025 | — | TT | Yes | No | — | TT | — | Resolved | Oct 7, 2025 | — | |
| Apr 2, 2025 | — | TT | Yes | No | — | TT | — | Resolved | Oct 7, 2025 | — | |
| Apr 2, 2025 | — | TT | Yes | No | — | TT | — | Resolved | Oct 7, 2025 | — | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2020 | — | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2020 | — | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2020 | — | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | — | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | — | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | — | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 3, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 3, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 3, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 3, 2011 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | — | |
| — | — | — | 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.