Mattoon Waterworks
PWSID: WI4590455
System Details
| Population Served | 450 |
| Service Connections | 180 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mattoon |
| Zip Code | 54450 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0006 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0006 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0001 mg/L | 0.015 mg/L | Below Action Level |
3 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2012-01-01 | | Open |
| | 2009-01-01 | | Open |
| | 2008-07-01 | | Open |
Violation History (16 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-07-16 | Yes | Returned to Compliance |
| | 2023-07-16 | Yes | Returned to Compliance |
| | 2023-07-16 | Yes | Returned to Compliance |
| | 2023-07-16 | | Returned to Compliance |
| | 2023-07-16 | | Returned to Compliance |
| | 2023-07-16 | | Returned to Compliance |
| | 2023-07-16 | | Returned to Compliance |
| | 2023-07-16 | | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2020-07-01 | Major | Returned to Compliance |
| | 2014-01-01 | | Returned to Compliance |
| | 2014-01-01 | | Returned to Compliance |