ISLAND CITY
PWS ID: OR4100454 · ISLAND CITY, Oregon 97850
Population Served
1,166
Total Violations
62
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 558
- County
- Union
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 51
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 24 | 2011 |
| Lead and Copper Rule | MR | 6 | 2022 |
| Coliform (TCR) | MCL | 5 | 2008 |
| Nitrate | MR | 5 | 2024 |
| Consumer Confidence Rule | Other | 5 | 2025 |
| E. COLI | MR | 4 | 2019 |
| Revised Total Coliform Rule | MON | 3 | 2020 |
| 2,4-D | MR | 1 | 2018 |
| Dinoseb | MR | 1 | 2018 |
| Endothall | MR | 1 | 2018 |
| Dalapon | MR | 1 | 2018 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Picloram | MR | 1 | 2018 |
| Pentachlorophenol | MR | 1 | 2018 |
| 2,4,5-TP | MR | 1 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.