| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 03/19/2026 | A | GW | NC | 30 | YAMHILL CO PKS-ED GRENFELL PK |
| 01/12/2005 | A | GW | NC | 30 | YAMHILL CO.PKS-ED GRENFELL PK. |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Transient | 30 | 1 | 1 | 12 | 31 | 03/19/2026 | |
| Transient | 30 | 4 | 1 | 9 | 30 | 06/06/2017 | 03/18/2026 |
| Transient | 30 | 5 | 1 | 9 | 30 | First Record | 06/05/2017 |