Mason City Water Department
PWSID: IA1750048
System Details
| Population Served | 27,338 |
| Service Connections | 19,000 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mason City |
| Zip Code | 50401 |
Areas Served
- Mason City, Cerro Gordo County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0074 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0043 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
Violation History (8 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-06-01 | | Returned to Compliance |
| | 2024-06-01 | | Acknowledged |
| | 2024-06-01 | | Returned to Compliance |
| | 2024-06-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |
| | 2003-07-01 | | Returned to Compliance |
| | 2002-07-01 | | Returned to Compliance |
| | 2001-07-01 | | Returned to Compliance |