| Date of Status Change | Active or Inactive | Primary Source | PWS Type | Population | PWS Name | 
| Current Status 05/19/2020 | I | GW | NP | 5 | PGE THREE LYNX (OAK GROVE) | 
| 05/19/2020 | I | GW | NTNC | 35 | PGE THREE LYNX (OAK GROVE) | 
| 01/26/2018 | A | GW | NTNC | 25 | PGE THREE LYNX (OAK GROVE) | 
| 06/26/2013 | A | GW | NTNC | 26 | PGE THREE LYNX (OAK GROVE) | 
| 04/29/2008 | A | GW | NP | 10 | PGE THREE LYNX (OAK GROVE) | 
| 11/01/2007 | A | GW | NP | 10 | PGE THREE LYNX (OAK GROVE) | 
| 09/20/2007 | A | GW | NTNC | 26 | PGE THREE LYNX (OAK GROVE) | 
| 12/30/2002 | A | GW | NTNC | 25 | PGE THREE LYNX (OAK GROVE) | 
| 07/18/2002 | A | GW | C | 25 | PGE THREE LYNX (OAK GROVE) | 
| 07/16/2002 | A | GW | NTNC | 20 | PGE THREE LYNX (OAK GROVE) | 
| Population Type | Avg Daily Population | Start Month | Start Day | End Month | End Day | Effective Begin Date | Effective End Date | 
| Non-transient | 5 | 1 | 1 | 12 | 31 | 05/19/2020 | |
| Non-transient | 35 | 1 | 1 | 12 | 31 | 10/16/2017 | 05/18/2020 | 
| Non-transient | 25 | 1 | 1 | 12 | 31 | 05/24/2012 | 10/15/2017 | 
| Non-transient | 26 | 1 | 1 | 12 | 31 | 05/17/2002 | 05/23/2012 | 
| Residential | 75 | 1 | 1 | 12 | 31 | First Record | 05/16/2002 |