ADRIAN, CITY OF
PWS ID: OR4100002 · ADRIAN, Oregon 97901
Population Served
159
Total Violations
445
Health-Based Violations
146
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 100
- County
- Malheur
- School/Daycare
- No
- MCL Violations
- 146
- Monitoring Violations
- 274
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 88 | 2015 |
| Arsenic | MCL | 52 | 2025 |
| Coliform (TCR) | MR | 44 | 2015 |
| E. COLI | MR | 22 | 2015 |
| Public Notice | Other | 13 | 2024 |
| Arsenic | MR | 10 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 8 | 2021 |
| Nitrate | MR | 7 | 2022 |
| Revised Total Coliform Rule | MON | 7 | 2025 |
| DICHLOROMETHANE | MR | 6 | 2023 |
| CHLOROBENZENE | MR | 6 | 2023 |
| Consumer Confidence Rule | Other | 6 | 2025 |
| Revised Total Coliform Rule | MCL | 6 | 2017 |
| Combined Uranium | MR | 5 | 2021 |
| Combined Radium (-226 and -228) | MR | 4 | 2019 |
| Lead and Copper Rule | MR | 4 | 2021 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2023 |
| o-Dichlorobenzene | MR | 3 | 2023 |
| p-Dichlorobenzene | MR | 3 | 2023 |
| Vinyl chloride | MR | 3 | 2023 |
| 1,1-Dichloroethylene | MR | 3 | 2023 |
| 1,2-Dichloroethane | MR | 3 | 2023 |
| 1,1,1-Trichloroethane | MR | 3 | 2023 |
| Carbon tetrachloride | MR | 3 | 2023 |
| Trichloroethylene | MR | 3 | 2023 |
| 1,1,2-Trichloroethane | MR | 3 | 2023 |
| Tetrachloroethylene | MR | 3 | 2023 |
| Styrene | MR | 3 | 2023 |
| COLIPHAGE | MR | 3 | 2024 |
| Xylenes, Total | MR | 3 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.