RIDGEWOOD DIST IMPROV CO
PWS ID: OR4100229 · CORVALLIS, Oregon 97330
Population Served
90
Total Violations
48
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 40
- County
- Benton
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 22 | 2007 |
| Coliform (TCR) | MCL | 14 | 2007 |
| Nitrate | MR | 3 | 2004 |
| Revised Total Coliform Rule | MCL | 3 | 2025 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.