CANNON BEACH, CITY OF
PWS ID: OR4100164 · CANNON BEACH, Oregon 97110
Population Served
1,710
Total Violations
79
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,813
- County
- Clatsop
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 66
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 29 | 2023 |
| COLIPHAGE | MR | 9 | 2023 |
| Coliform (TCR) | MR | 8 | 2008 |
| Interim Enhanced Surface Water Treatment Rule | MR | 5 | 2009 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Surface Water Treatment Rule | TT | 2 | 1998 |
| TTHM | MR | 2 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2010 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 1 | 2008 |
| Barium | MR | 1 | 1979 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Selenium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Arsenic | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Coliform (TCR) | MCL | 1 | 1994 |
| Cadmium | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.