Wilmington
PWSID: IL1971100
System Details
| Population Served | 5,624 |
| Service Connections | 2,361 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Wilmington |
| Zip Code | 60481 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0025 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0023 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0014 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
Violation History (49 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-02-01 | | Acknowledged |
| | 2025-02-01 | | Returned to Compliance |
| | 2025-02-01 | | Returned to Compliance |
| | 2025-02-01 | Major | Acknowledged |
| | 2025-02-01 | Major | Returned to Compliance |
| | 2025-02-01 | Major | Returned to Compliance |
| | 2024-02-01 | | Returned to Compliance |
| | 2024-02-01 | | Returned to Compliance |
| | 2024-02-01 | | Acknowledged |
| | 2024-02-01 | | Returned to Compliance |
| | 2024-01-01 | | Returned to Compliance |
| | 2024-01-01 | | Returned to Compliance |
| | 2024-01-01 | | Acknowledged |
| | 2024-01-01 | | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-07-10 | | Returned to Compliance |
| | 2023-07-10 | | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-12-30 | | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Acknowledged |
| | 2016-02-01 | | Returned to Compliance |
| | 2016-02-01 | | Returned to Compliance |
| | 2016-02-01 | | Returned to Compliance |
| | 2016-01-01 | | Returned to Compliance |
| | 2016-01-01 | | Returned to Compliance |
| | 2016-01-01 | | Returned to Compliance |
| | 1994-08-01 | Yes | Returned to Compliance |
| | 1994-01-07 | Yes | Returned to Compliance |