NPS OREGON CAVES NATL MON
PWS ID: OR4191998 · CAVE JUNCTION, Oregon 97523
Population Served
280
Total Violations
114
Health-Based Violations
21
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Josephine
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 87
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 74 | 2024 |
| Surface Water Treatment Rule | TT | 19 | 2023 |
| Coliform (TCR) | MR | 8 | 2015 |
| Nitrate | MR | 5 | 2022 |
| Public Notice | Other | 3 | 2023 |
| Revised Total Coliform Rule | MCL | 2 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.