| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 04/22/2025 | A | GW | NC | 33 | WILLAMETTE SPEEDWAYS |
| 04/22/2025 | A | GW | NC | 33 | WILLAMETTE SPEEDWAY |
| 12/31/2019 | A | GW | NC | 33 | WILLAMETTE SPEEDWAY |
| 05/12/2017 | A | GW | NC | 270 | WILLAMETTE SPEEDWAY |
| 11/30/2012 | A | GW | NC | 999 | WILLAMETTE SPEEDWAY |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Transient | 33 | 4 | 1 | 9 | 30 | 04/08/2017 | |
| Transient | 270 | 4 | 1 | 9 | 30 | 05/11/2012 | 04/07/2017 |
| Transient | 999 | 4 | 1 | 9 | 30 | 07/19/2007 | 05/10/2012 |
| Transient | 999 | 3 | 1 | 9 | 30 | First Record | 07/18/2007 |