DEER ISLAND HEIGHTS WS
PWS ID: OR4105114 · ST HELENS, Oregon 97051
Population Served
60
Total Violations
763
Health-Based Violations
19
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 21
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 718
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 154 | 2016 |
| Revised Total Coliform Rule | MON | 22 | 2025 |
| Lead and Copper Rule | MR | 21 | 2023 |
| Consumer Confidence Rule | Other | 18 | 2025 |
| Coliform (TCR) | MCL | 14 | 2006 |
| Nitrate | MR | 14 | 2023 |
| CHLOROBENZENE | MR | 10 | 2014 |
| o-Dichlorobenzene | MR | 10 | 2014 |
| Benzo(a)pyrene | MR | 10 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 10 | 2014 |
| Xylenes, Total | MR | 10 | 2014 |
| 1,1,2-Trichloroethane | MR | 10 | 2014 |
| Vinyl chloride | MR | 10 | 2014 |
| trans-1,2-Dichloroethylene | MR | 10 | 2014 |
| 1,2-Dichloropropane | MR | 10 | 2014 |
| 1,1,1-Trichloroethane | MR | 10 | 2014 |
| p-Dichlorobenzene | MR | 9 | 2014 |
| Styrene | MR | 9 | 2014 |
| Tetrachloroethylene | MR | 9 | 2014 |
| Toluene | MR | 9 | 2014 |
| Trichloroethylene | MR | 9 | 2014 |
| 2,4,5-TP | MR | 9 | 2014 |
| LASSO | MR | 9 | 2014 |
| Dinoseb | MR | 9 | 2014 |
| ETHYLENE DIBROMIDE | MR | 9 | 2014 |
| OXAMYL | MR | 9 | 2014 |
| 1,1-Dichloroethylene | MR | 9 | 2014 |
| 1,2-Dichloroethane | MR | 9 | 2014 |
| Benzene | MR | 9 | 2014 |
| Diquat | MR | 9 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.