CENTRAL WATER SYSTEM
PWS ID: IA3000099 · OKOBOJI, Iowa 51355
Population Served
25
Total Violations
55
Health-Based Violations
1
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3
- County
- Dickinson
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 43
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 15 | 1989 |
| Chromium | MR | 5 | 1987 |
| Atrazine | MR | 3 | 1995 |
| Simazine | MR | 3 | 1994 |
| Interim Enhanced Surface Water Treatment Rule | MR | 3 | 2011 |
| Barium | MR | 2 | 1987 |
| Cadmium | MR | 2 | 1987 |
| Lead and Copper Rule | MR | 2 | 1988 |
| Mercury | MR | 2 | 1987 |
| Selenium | MR | 2 | 1987 |
| Fluoride | MR | 2 | 1987 |
| Arsenic | MR | 2 | 1987 |
| Surface Water Treatment Rule | TT | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.