SUPERIOR WATER SYSTEM
PWS ID: IA3073001 · SUPERIOR, Iowa 51363
Population Served
132
Total Violations
56
Health-Based Violations
11
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 72
- County
- Dickinson
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Gross Alpha, Excl. Radon and U | MR | 8 | 1990 |
| Coliform (TCR) | MCL | 6 | 1996 |
| Lead and Copper Rule | MR | 6 | 2018 |
| Nitrate | MCL | 5 | 1986 |
| Coliform (TCR) | MR | 4 | 2003 |
| Arsenic | MR | 2 | 1986 |
| Barium | MR | 1 | 1986 |
| Fluoride | MR | 1 | 1986 |
| Mercury | MR | 1 | 1986 |
| Nitrate | MR | 1 | 1986 |
| Selenium | MR | 1 | 1986 |
| Chromium | MR | 1 | 1986 |
| Cadmium | MR | 1 | 1986 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.