COLUMBIA RIVER PUD
PWS ID: OR4194717 · ST HELENS, Oregon 97051
Population Served
45
Total Violations
80
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 69
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 11 | 2025 |
| Coliform (TCR) | MR | 5 | 2015 |
| Lead and Copper Rule | TT | 5 | 2013 |
| Nitrate | MCL | 3 | 2004 |
| Nitrate | MR | 2 | 2012 |
| Arsenic | MR | 1 | 2005 |
| Endrin | MR | 1 | 2005 |
| BHC-GAMMA | MR | 1 | 2005 |
| Methoxychlor | MR | 1 | 2005 |
| Dalapon | MR | 1 | 2005 |
| Endothall | MR | 1 | 2005 |
| OXAMYL | MR | 1 | 2005 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2005 |
| Dinoseb | MR | 1 | 2005 |
| Atrazine | MR | 1 | 2005 |
| 2,4-D | MR | 1 | 2005 |
| 2,4,5-TP | MR | 1 | 2005 |
| HEXACHLOROBENZENE | MR | 1 | 2005 |
| Benzo(a)pyrene | MR | 1 | 2005 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2005 |
| cis-1,2-Dichloroethylene | MR | 1 | 2005 |
| Xylenes, Total | MR | 1 | 2005 |
| DICHLOROMETHANE | MR | 1 | 2005 |
| p-Dichlorobenzene | MR | 1 | 2005 |
| trans-1,2-Dichloroethylene | MR | 1 | 2005 |
| 1,1,1-Trichloroethane | MR | 1 | 2005 |
| Carbon tetrachloride | MR | 1 | 2005 |
| Benzene | MR | 1 | 2005 |
| Styrene | MR | 1 | 2005 |
| 1,2-Dichloroethane | MR | 1 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.