OSSIAN WATER SUPPLY
PWS ID: IA9677007 · OSSIAN, Iowa 52161
Population Served
802
Total Violations
13
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 430
- County
- Winneshiek
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Di(2-ethylhexyl) phthalate | MR | 1 | 2018 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.