MT TERRACE MHP
PWS ID: OR4105364 · EAST VALE, Oregon 92880
Population Served
60
Total Violations
711
Health-Based Violations
46
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 25
- County
- Coos
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 650
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 303 | 2015 |
| Nitrate | MR | 28 | 2020 |
| Arsenic | MCL | 23 | 2019 |
| Arsenic | MR | 17 | 2025 |
| Coliform (TCR) | MCL | 16 | 2009 |
| Revised Total Coliform Rule | MON | 14 | 2023 |
| Lead and Copper Rule | MR | 11 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 10 | 2014 |
| Combined Radium (-226 and -228) | MR | 9 | 2014 |
| Combined Uranium | MR | 9 | 2014 |
| Public Notice | Other | 8 | 2019 |
| COLIPHAGE | MR | 7 | 2020 |
| Consumer Confidence Rule | Other | 5 | 2024 |
| Heptachlor | MR | 5 | 2020 |
| cis-1,2-Dichloroethylene | MR | 4 | 2014 |
| Xylenes, Total | MR | 4 | 2014 |
| DICHLOROMETHANE | MR | 4 | 2014 |
| p-Dichlorobenzene | MR | 4 | 2014 |
| Vinyl chloride | MR | 4 | 2014 |
| trans-1,2-Dichloroethylene | MR | 4 | 2014 |
| 1,2-Dichloroethane | MR | 4 | 2014 |
| Trichloroethylene | MR | 4 | 2014 |
| CHLOROBENZENE | MR | 4 | 2014 |
| Benzene | MR | 4 | 2014 |
| Toluene | MR | 4 | 2014 |
| Ethylbenzene | MR | 4 | 2014 |
| Endrin | MR | 4 | 2014 |
| Methoxychlor | MR | 4 | 2014 |
| Toxaphene | MR | 4 | 2014 |
| Dalapon | MR | 4 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.