WATSONVILLE WATER SYSTEM
PWS ID: OR4105302 · COOS BAY, Oregon 97420
Population Served
27
Total Violations
167
Health-Based Violations
2
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 10
- County
- Coos
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 164
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 92 | 2025 |
| Nitrate | MR | 8 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2025 |
| Combined Uranium | MR | 4 | 2025 |
| Combined Radium (-226 and -228) | MR | 4 | 2025 |
| Surface Water Treatment Rule | TT | 2 | 2022 |
| Lead and Copper Rule | MR | 2 | 2025 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2024 |
| Xylenes, Total | MR | 1 | 2024 |
| Vinyl chloride | MR | 1 | 2024 |
| trans-1,2-Dichloroethylene | MR | 1 | 2024 |
| 1,2-Dichloroethane | MR | 1 | 2024 |
| 1,1,1-Trichloroethane | MR | 1 | 2024 |
| Benzene | MR | 1 | 2024 |
| Toluene | MR | 1 | 2024 |
| Ethylbenzene | MR | 1 | 2024 |
| Styrene | MR | 1 | 2024 |
| Endrin | MR | 1 | 2024 |
| BHC-GAMMA | MR | 1 | 2024 |
| Diquat | MR | 1 | 2024 |
| Endothall | MR | 1 | 2024 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2024 |
| Simazine | MR | 1 | 2024 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2024 |
| Picloram | MR | 1 | 2024 |
| Hexachlorocyclopentadiene | MR | 1 | 2024 |
| 2,4,5-TP | MR | 1 | 2024 |
| HEXACHLOROBENZENE | MR | 1 | 2024 |
| Benzo(a)pyrene | MR | 1 | 2024 |
| Pentachlorophenol | MR | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.