THUNDER HILLS HOME & UTILITY ASSOC.
PWS ID: IA3170335 · EPWORTH, Iowa 52045
Population Served
300
Total Violations
134
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 92
- County
- Dubuque
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 95
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 10 | 1988 |
| Cadmium | MR | 10 | 1988 |
| Mercury | MR | 10 | 1988 |
| Selenium | MR | 10 | 1988 |
| Nitrate | MR | 10 | 1988 |
| Fluoride | MR | 10 | 1988 |
| Barium | MR | 10 | 1988 |
| Lead and Copper Rule | MR | 9 | 1991 |
| Coliform (TCR) | MR | 6 | 2002 |
| Chromium | MR | 5 | 1988 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2005 |
| Coliform (TCR) | MCL | 4 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.