Henderson
PWSID: IL0950250
System Details
| Population Served | 375 |
| Service Connections | 150 |
| Water Source | Groundwater Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Henderson |
| Zip Code | 61439 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0006 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
10 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-22 | | Open |
| | 2025-07-02 | | Open |
| | 2025-07-01 | | Open |
| | 2025-07-01 | | Open |
| | 2024-10-17 | Yes | Open |
| | 2024-10-17 | | Open |
| | 2024-07-01 | | Open |
| | 2023-07-01 | | Open |
| | 2018-12-14 | | Open |
| | 2018-12-14 | | Open |
Violation History (36 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-01-01 | Major | Acknowledged |
| | 2025-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Acknowledged |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Acknowledged |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Acknowledged |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2020-10-01 | | Returned to Compliance |
| | 2020-10-01 | | Returned to Compliance |
| | 2020-10-01 | | Returned to Compliance |
| | 2019-04-01 | | Returned to Compliance |
| | 2019-04-01 | | Returned to Compliance |
| | 2017-11-01 | Major | Returned to Compliance |
| | 2017-11-01 | Major | Returned to Compliance |
| | 2017-10-01 | Major | Returned to Compliance |
| | 2017-10-01 | Major | Returned to Compliance |
| | 2012-10-01 | | Returned to Compliance |
| | 2010-01-02 | | Returned to Compliance |