ARLINGTON CITY WATER SUPPLY
PWS ID: OR4100046 · ARLINGTON, Oregon 97812
Population Served
628
Total Violations
23
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 336
- County
- Gilliam
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2011 |
| Nitrate | MR | 4 | 2007 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1996 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Nitrite | MR | 2 | 1996 |
| Lead and Copper Rule | MR | 1 | 2022 |
| Revised Total Coliform Rule | MON | 1 | 2023 |
| 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.