STOCKTON MUNI WATER SUPPLY
PWS ID: IA7063096 · CALAMUS, Iowa 52729
Population Served
176
Total Violations
55
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 90
- County
- Muscatine
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 37
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2012 |
| Consumer Confidence Rule | Other | 6 | 2019 |
| Selenium | MR | 5 | 1985 |
| Arsenic | MR | 2 | 1985 |
| Barium | MR | 2 | 1985 |
| Cadmium | MR | 2 | 1985 |
| Chromium | MR | 2 | 1985 |
| Fluoride | MR | 2 | 1985 |
| Lead and Copper Rule | MR | 2 | 1988 |
| Nitrate | MR | 2 | 1985 |
| Mercury | MR | 2 | 1985 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.