Mount Prospect
PWSID: IL0311980
System Details
| Population Served | 41,000 |
| Service Connections | 11,590 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mount Prospect |
| Zip Code | 60056 |
Areas Served
- Mount Prospect, Cook County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0043 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0041 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0039 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0038 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0028 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
| | 2025-07-01 | | Open |
Violation History (31 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-12-01 | | Returned to Compliance |
| | 2024-12-01 | | Acknowledged |
| | 2024-12-01 | | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2020-12-30 | | Returned to Compliance |
| | 2020-12-30 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |
| | 2016-07-01 | | Returned to Compliance |