PRAIRIE CITY
PWS ID: OR4100673 · PRAIRIE CITY, Oregon 97869
Population Served
841
Total Violations
106
Health-Based Violations
25
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 443
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 75
- Treatment Tech Violations
- 23
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 21 | 2011 |
| Surface Water Treatment Rule | MR | 18 | 2025 |
| Coliform (TCR) | MR | 11 | 2008 |
| TTHM | MR | 9 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2025 |
| Coliform (TCR) | MCL | 2 | 1991 |
| Lead and Copper Rule | TT | 2 | 2002 |
| Toluene | MR | 2 | 2018 |
| Nitrate | MR | 2 | 1997 |
| Ethylbenzene | MR | 1 | 2022 |
| CHLOROBENZENE | MR | 1 | 2022 |
| Tetrachloroethylene | MR | 1 | 2022 |
| 1,1,2-Trichloroethane | MR | 1 | 2022 |
| 1,2-Dichloropropane | MR | 1 | 2022 |
| Carbon tetrachloride | MR | 1 | 2022 |
| trans-1,2-Dichloroethylene | MR | 1 | 2022 |
| 1,1-Dichloroethylene | MR | 1 | 2022 |
| p-Dichlorobenzene | MR | 1 | 2022 |
| o-Dichlorobenzene | MR | 1 | 2022 |
| Xylenes, Total | MR | 1 | 2022 |
| cis-1,2-Dichloroethylene | MR | 1 | 2022 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2022 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Revised Total Coliform Rule | MON | 1 | 2016 |
| DICHLOROMETHANE | MR | 1 | 2022 |
| 1,1,1-Trichloroethane | MR | 1 | 2022 |
| 1,2-Dichloroethane | MR | 1 | 2022 |
| Benzene | MR | 1 | 2022 |
| Trichloroethylene | MR | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.