SENECA, CITY OF
PWS ID: OR4100807 · SENECA, Oregon 97873
Population Served
200
Total Violations
60
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 112
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 48
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2005 |
| Nitrate | MR | 14 | 2018 |
| Revised Total Coliform Rule | MON | 5 | 2022 |
| Coliform (TCR) | MCL | 4 | 1998 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1996 |
| Lead and Copper Rule | MR | 2 | 2023 |
| E. COLI | MR | 2 | 2018 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.