ST JACOB
Illinois - Community Water System - PWSID: IL1190950
System Information
| PWSID | IL1190950 |
| System Name | ST JACOB |
| 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 | ST. JACOB |
| ZIP Code | 62281 |
| Address | 213 N. Douglas |
| Organization | BECKER, KATHY |
| Phone | 618-644-5666 |
Population & Service
| Population Served | 1,835 |
| Service Connections | 738 |
Drinking Water Violations (75)
This water system has 75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Aug 22, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 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 | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Jun 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| 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 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 23, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 23, 2009 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2007 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | 5.725 | 5 pCi/L | 5 | Resolved | Mar 21, 2005 | - | |
| May 1, 1991 | May 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1991 | - | |
| May 1, 1991 | May 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 1991 | - |
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.