Ullin
PWSID: IL1530350
System Details
| Population Served | 496 |
| Service Connections | 230 |
| Water Source | Groundwater Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Ullin |
| Zip Code | 62992 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0045 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
Violation History (9 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-07-01 | | Returned to Compliance |
| | 2024-07-01 | | Returned to Compliance |
| | 2020-07-01 | Major | Returned to Compliance |
| | 2020-07-01 | Major | Returned to Compliance |
| | 2013-10-01 | | Returned to Compliance |
| | 2009-10-30 | | Returned to Compliance |
| | 1996-10-01 | | Returned to Compliance |
| | 1993-10-01 | | Returned to Compliance |