Grinnell Water Department
PWSID: IA7930008
System Details
| Population Served | 9,564 |
| Service Connections | 3,600 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Grinnell |
| Zip Code | 50112-1947 |
Areas Served
- Grinnell, Poweshiek County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0104 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0085 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0077 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0049 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0031 mg/L | 0.015 mg/L | Below Action Level |
Violation History (42 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | Yes | Acknowledged |
| | 2025-04-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |
| | 2024-12-17 | | Returned to Compliance |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-10-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |