WARREN WATER ASSOCIATION
PWS ID: OR4100726 · ST HELENS, Oregon 97051
Population Served
2,050
Total Violations
39
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 768
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 24
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 11 | 2005 |
| Coliform (TCR) | MCL | 8 | 2010 |
| Nitrate | MR | 5 | 2005 |
| Lead and Copper Rule | MR | 4 | 1997 |
| Lead and Copper Rule | TT | 3 | 1998 |
| E. COLI | MR | 2 | 2010 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.