| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 03/13/2023 | A | GW | NP | 20 | UMATILLA MARINA |
| 03/13/2023 | A | GW | NP | 20 | UMATILLA MARINA |
| 12/11/2009 | A | GWP | NP | 20 | UMATILLA MARINA |
| 09/12/2005 | A | GWP | NC | 100 | UMATILLA MARINA |
| 09/29/2003 | A | GWP | NP | 100 | UMATILLA MARINA |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Transient | 20 | 1 | 1 | 12 | 31 | 03/13/2023 | |
| Transient | 20 | 4 | 1 | 11 | 15 | 11/15/2009 | 03/12/2023 |
| Transient | 20 | 1 | 1 | 12 | 31 | 08/25/2005 | 11/15/2009 |
| Transient | 100 | 4 | 1 | 11 | 15 | First Record | 08/24/2005 |