JOHN DAY, CITY OF
PWS ID: OR4100410 · JOHN DAY, Oregon 97845
Population Served
1,617
Total Violations
15
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 876
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2005 |
| COLIPHAGE | MR | 2 | 2012 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Coliform (TCR) | MCL | 1 | 1991 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Lead and Copper Rule | MR | 1 | 2021 |
| Nitrate | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.