THOMASBORO
Illinois - Community Water System - PWSID: IL0190950
System Information
| PWSID | IL0190950 |
| System Name | THOMASBORO |
| 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 | THOMASBORO |
| ZIP Code | 61878 |
| Address | 101 W. MAIN STREET |
| Organization | POLSKY, CHAD F. |
| Phone | 217-643-2675 |
Population & Service
| Population Served | 1,066 |
| Service Connections | 500 |
Drinking Water Violations (41)
This water system has 41 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, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 26, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 26, 2025 | - | |
| Jan 12, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| Jan 12, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Sep 29, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2021 | - | |
| Sep 29, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 26, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 26, 2021 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2012 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2012 | - | |
| Feb 27, 2005 | - | Other | No | No | - | - | - | Resolved | May 11, 2005 | - | |
| Feb 27, 2005 | - | Other | No | No | - | - | - | Resolved | May 11, 2005 | - | |
| Feb 27, 2005 | - | Other | No | No | - | - | - | Resolved | May 11, 2005 | - | |
| Feb 27, 2005 | - | Other | No | No | - | - | - | Resolved | May 11, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | May 13, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | May 13, 2005 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2003 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2001 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2001 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - |
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.