Holy Cross Water Supply
PWSID: IA3146055
System Details
| Population Served | 356 |
| Service Connections | 173 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Holy Cross |
| Zip Code | 52053 |
Areas Served
- Holy Cross, Dubuque County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Acknowledged |
| | 2025-08-01 | Major | Acknowledged |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 1990-10-01 | | Returned to Compliance |