HENDERSON
Illinois - Community Water System - PWSID: IL0950250
System Information
| PWSID | IL0950250 |
| System Name | HENDERSON |
| System Type | Community Water System |
| Water Source | Ground 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 | HENDERSON |
| ZIP Code | 61439 |
| Address | VILLAGE HALL |
| Organization | HEMMRICH, SHARON G. |
| Phone | 414-899-0375 |
Population & Service
| Population Served | 375 |
| Service Connections | 150 |
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 12, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| 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 | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 19, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 30, 2022 | - | MR | No | No | - | TT | - | Resolved | Jun 25, 2023 | - | |
| Dec 30, 2022 | - | MR | No | No | - | TT | - | Resolved | Jun 25, 2023 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2021 | - | |
| Apr 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 11, 2020 | - | |
| Apr 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 11, 2020 | - | |
| Dec 14, 2018 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 14, 2018 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 21, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 21, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 21, 2017 | - | |
| Oct 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2013 | - | |
| Oct 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2013 | - | |
| Oct 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2013 | - | |
| Oct 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2013 | - | |
| Jan 2, 2010 | - | MR | No | No | - | TT | - | Resolved | Jan 26, 2010 | - |
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.