JOLLEY WATER SUPPLY
PWS ID: IA1335001 · POCAHONTAS, Iowa 50574
Population Served
28
Total Violations
122
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 20
- County
- Calhoun
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 90
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 37 | 2009 |
| Combined Radium (-226 and -228) | MCL | 17 | 1985 |
| Chlorine | MR | 14 | 2009 |
| Nitrate | MR | 12 | 2000 |
| Combined Radium (-226 and -228) | Other | 6 | 1986 |
| Arsenic | MR | 6 | 1988 |
| Cadmium | MR | 3 | 1988 |
| Chromium | MR | 3 | 1988 |
| Selenium | MR | 3 | 1988 |
| Fluoride | MR | 3 | 1988 |
| Lead and Copper Rule | MR | 3 | 1990 |
| Mercury | MR | 3 | 1988 |
| Barium | MR | 3 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.