NPS OREGON CAVES NATIONAL MONUMENT O&M
Oregon — Non-Transient Non-Community — PWSID: OR4195706
System Information
| PWSID | OR4195706 |
| System Name | NPS OREGON CAVES NATIONAL MONUMENT O&M |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 22, 2023 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | CAVE JUNCTION |
| ZIP Code | 97523 |
| Address | 19000 CAVES HWY |
| Organization | NPS OREGON CAVES NATIONAL MONUMENT O&M |
| Phone | 541-592-2100 |
Population & Service
| Population Served | 75 |
| Service Connections | 5 |
Drinking Water Violations (237)
This water system has 237 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2025 | — | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2024 | — | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2024 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.