UNITED SCHOOL DISTRICT 304
Illinois - Non-Transient Non-Community - PWSID: IL3036079
System Information
| PWSID | IL3036079 |
| System Name | UNITED SCHOOL DISTRICT 304 |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jun 18, 1981 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | MONMOUTH |
| ZIP Code | 61462 |
| Address | 1905 100 St. |
| Organization | WHITSITT, JEFF |
| Phone | 309-734-9413 |
Population & Service
| Population Served | 480 |
| Service Connections | 1 |
Drinking Water Violations (112)
This water system has 112 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 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 28, 2025 | - | |
| Apr 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Apr 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2025 | - | |
| Jul 7, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 12, 2021 | - | |
| Jul 7, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 12, 2021 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 9, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 9, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 9, 2020 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 2013 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 13, 2009 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2005 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2002 | Dec 31, 2007 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2002 | Dec 31, 2007 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2002 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2002 | Dec 31, 2007 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2007 | - |
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.