GARDEN VALLEY WATER ASSOCIATION
PWS ID: OR4100214 · COQUILLE, Oregon 97423
Population Served
84
Total Violations
222
Health-Based Violations
62
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 30
- County
- Coos
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 147
- Treatment Tech Violations
- 59
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | TT | 32 | 2025 |
| Surface Water Treatment Rule | TT | 27 | 2025 |
| Surface Water Treatment Rule | MR | 27 | 2023 |
| Coliform (TCR) | MR | 15 | 2014 |
| Interim Enhanced Surface Water Treatment Rule | MR | 9 | 2023 |
| TTHM | MR | 7 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2014 |
| Lead and Copper Rule | MR | 7 | 2025 |
| Revised Total Coliform Rule | MON | 5 | 2024 |
| Nitrate | MR | 4 | 1999 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2008 |
| trans-1,2-Dichloroethylene | MR | 3 | 2008 |
| 1,2-Dichloroethane | MR | 3 | 2008 |
| 1,1,1-Trichloroethane | MR | 3 | 2008 |
| Trichloroethylene | MR | 3 | 2008 |
| Benzene | MR | 3 | 2008 |
| Ethylbenzene | MR | 3 | 2008 |
| cis-1,2-Dichloroethylene | MR | 3 | 2008 |
| Xylenes, Total | MR | 3 | 2008 |
| DICHLOROMETHANE | MR | 3 | 2008 |
| o-Dichlorobenzene | MR | 3 | 2008 |
| p-Dichlorobenzene | MR | 3 | 2008 |
| 1,1-Dichloroethylene | MR | 3 | 2008 |
| Carbon tetrachloride | MR | 3 | 2008 |
| 1,1,2-Trichloroethane | MR | 3 | 2008 |
| Tetrachloroethylene | MR | 3 | 2008 |
| CHLOROBENZENE | MR | 3 | 2008 |
| Styrene | MR | 3 | 2008 |
| Vinyl chloride | MR | 3 | 2008 |
| 1,2-Dichloropropane | MR | 3 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.