Sauk
PWSID: IL0312790
System Details
| Population Served | 9,921 |
| Service Connections | 3,200 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Sauk Village |
| Zip Code | 60411 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| 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 |
Violation History (556 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-12 | | Returned to Compliance |
| | 2025-07-12 | | Returned to Compliance |
| | 2025-07-12 | | Returned to Compliance |
| | 2025-07-12 | | Returned to Compliance |
| | 2025-07-01 | | Returned to Compliance |
| | 2024-07-01 | | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Acknowledged |
Showing 50 of 556 historical violations.