GRAND RONDE COMMUNITY WTR ASSN
PWS ID: OR4100338 · GRAND RONDE, Oregon 97347
Population Served
2,500
Total Violations
79
Health-Based Violations
35
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,004
- County
- Polk
- School/Daycare
- No
- MCL Violations
- 35
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 35 | 2015 |
| Coliform (TCR) | MR | 14 | 2010 |
| E. COLI | MR | 10 | 2023 |
| Public Notice | Other | 3 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 2021 |
| Combined Radium (-226 and -228) | MR | 3 | 2021 |
| Nitrate | MR | 2 | 1997 |
| Combined Uranium | MR | 2 | 2021 |
| Revised Total Coliform Rule | MON | 1 | 2016 |
| Consumer Confidence Rule | Other | 1 | 2024 |
| Lead and Copper Rule | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.