| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 06/18/2025 | A | GW | NP | 12 | USFS UMATILLA FORKS CG |
| 06/18/2025 | A | GW | NP | 12 | USFS UMATILLA FORKS CG |
| 06/04/2020 | A | GW | NP | 12 | USFS UMATILLA FORKS CG |
| 12/21/2006 | A | GW | NP | 12 | USFS UMATILLA FORKS CAMPGROUND |
| 05/08/2006 | A | GW | NP | 5 | USFS UMATILLA FORKS CAMPGROUND |
| 06/19/2002 | I | GW | NC | 25 | USFS UMATILLA FORKS CAMPGROUND |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Transient | 12 | 5 | 1 | 9 | 30 | 06/13/2002 |