Griswold Water Supply
PWSID: IA1528010
System Details
| Population Served | 1,008 |
| Service Connections | 543 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Griswold |
| Zip Code | 51535 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0130 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0060 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
Violation History (8 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | Major | Acknowledged |
| | 2025-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Acknowledged |