TERRAND MOBILE TERRACE
PWS ID: OR4101157 · HAPPY VALLEY, Oregon 97086
Population Served
71
Total Violations
272
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 40
- County
- Multnomah
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 267
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 19 | 2009 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 6 | 2020 |
| Diquat | MR | 5 | 2005 |
| Toxaphene | MR | 5 | 2005 |
| BHC-GAMMA | MR | 5 | 2005 |
| Benzo(a)pyrene | MR | 5 | 2005 |
| Chlordane | MR | 5 | 2005 |
| Endothall | MR | 4 | 2005 |
| ETHYLENE DIBROMIDE | MR | 4 | 2005 |
| Glyphosate | MR | 4 | 2005 |
| Heptachlor epoxide | MR | 4 | 2005 |
| Heptachlor | MR | 4 | 2005 |
| HEXACHLOROBENZENE | MR | 4 | 2005 |
| Methoxychlor | MR | 4 | 2005 |
| Pentachlorophenol | MR | 4 | 2005 |
| Simazine | MR | 4 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2005 |
| OXAMYL | MR | 4 | 2005 |
| 1,1-Dichloroethylene | MR | 4 | 2005 |
| 1,1,2-Trichloroethane | MR | 4 | 2005 |
| Benzene | MR | 4 | 2005 |
| cis-1,2-Dichloroethylene | MR | 4 | 2005 |
| DICHLOROMETHANE | MR | 4 | 2005 |
| Ethylbenzene | MR | 4 | 2005 |
| o-Dichlorobenzene | MR | 4 | 2005 |
| Styrene | MR | 4 | 2005 |
| trans-1,2-Dichloroethylene | MR | 4 | 2005 |
| Xylenes, Total | MR | 4 | 2005 |
| Arsenic | MR | 4 | 2002 |
| Dalapon | MR | 4 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.