Duquoin
PWSID: IL1450100
System Details
| Population Served | 7,169 |
| Service Connections | 3,039 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Duquoin |
| Zip Code | 62832 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0015 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 |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
| | 2024-10-17 | Yes | Open |
Violation History (15 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-22 | | Returned to Compliance |
| | 2025-07-01 | | Acknowledged |
| | 2025-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2020-12-30 | | Returned to Compliance |
| | 2020-12-30 | | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 1993-04-01 | | Returned to Compliance |