| Date of Status Change |
Record Sequence |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 05/10/2024 | 12 | A | GW | NTNC | 250 | AMAZON DATA UMATILLA PDX063 |
| 05/10/2024 | 11 | A | GW | NTNC | 60 | AMAZON DATA UMATILLA PDX063 |
| 05/11/2020 | 10 | A | GW | NTNC | 60 | AMAZON DATA UMATILLA PDX063 |
| 11/27/2019 | 9 | A | GW | NTNC | 60 | AMAZON UMATILLA PDX063 |
| 11/27/2019 | 8 | A | GW | NTNC | 60 | VADATA UMATILLA PDX063 |
| 11/07/2019 | 7 | A | GW | NTNC | 25 | VADATA UMATILLA PDX063 |
| 11/07/2019 | 6 | A | GW | NTNC | 25 | VADATA UMATILLA |
| 07/23/2019 | 5 | A | GW | NTNC | 25 | VADATA UMATILLA |
| 06/11/2019 | 4 | I | GW | NTNC | 25 | VADATA UMATILLA |
| 11/20/2018 | 3 | I | GW | 0 | VADATA UMATILLA | |
| 11/20/2018 | 2 | I | 0 | VADATA UMATILLA | ||
| 11/20/2018 | 1 | A | 0 | VADATA UMATILLA |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Non-transient | 250 | 1 | 1 | 12 | 31 | 05/02/2024 | |
| Non-transient | 60 | 1 | 1 | 12 | 31 | 09/24/2019 | 05/01/2024 |
| Non-transient | 25 | 1 | 1 | 12 | 31 | 11/20/2018 | 09/23/2019 |