| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 02/03/2021 | I | GW | NTNC | 70 | NORTHWEST ALUMINUM COMPANY |
| 02/03/2021 | A | GW | NTNC | 70 | NORTHWEST ALUMINUM COMPANY |
| 09/22/2020 | A | GW | NTNC | 70 | NORTHWEST ALUMINUM COMPANY |
| 09/18/2020 | A | GW | NTNC | 70 | NORTHWEST ALUMINUM COMPANY |
| 02/09/2017 | A | GW | NTNC | 95 | NORTHWEST ALUMINUM COMPANY |
| 11/28/2011 | A | GW | NTNC | 125 | NORTHWEST ALUMINUM COMPANY |
| 12/28/2004 | A | GW | NTNC | 480 | NORTHWEST ALUMINUM COMPANY |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Non-transient | 70 | 1 | 1 | 12 | 31 | 11/23/2016 | |
| Non-transient | 95 | 1 | 1 | 12 | 31 | 04/13/2011 | 11/22/2016 |
| Non-transient | 125 | 1 | 1 | 12 | 31 | 09/01/2004 | 04/12/2011 |
| Non-transient | 480 | 1 | 1 | 12 | 31 | First Record | 08/31/2004 |