ALTON MUNICIPAL WATER DEPARTMENT
PWS ID: IA8403029 · ALTON, Iowa 51003
Population Served
1,248
Total Violations
62
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 515
- County
- Sioux
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 41
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 7 | 2001 |
| Mercury | MR | 5 | 1988 |
| Arsenic | MR | 4 | 1988 |
| Cadmium | MR | 4 | 1988 |
| Fluoride | MR | 4 | 1988 |
| Nitrate | MR | 4 | 1988 |
| Selenium | MR | 4 | 1988 |
| Chromium | MR | 4 | 1988 |
| Coliform (TCR) | MR | 4 | 2003 |
| Barium | MR | 4 | 1988 |
| Lead and Copper Rule | MR | 4 | 1990 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.