| Date of Status Change | Record Sequence | Active or Inactive | Primary Source | PWS Type | Population | PWS Name | 
| Current Status 10/22/2024 | 9 | A | GW | NC | 40 | CRATER LAKE RESORT | 
| 10/22/2024 | 8 | A | GW | NC | 40 | CRATER LAKE RESORT | 
| 10/22/2024 | 7 | A | GW | NC | 70 | CRATER LAKE RESORT | 
| 06/11/2020 | 6 | A | GW | NC | 70 | CRATER LAKE RESORT | 
| 12/09/2014 | 5 | A | GW | NC | 100 | CRATER LAKE RESORT | 
| 03/12/2010 | 4 | A | GW | NC | 40 | CRATER LAKE RESORT | 
| 08/16/2005 | 3 | A | GW | NC | 70 | CRATER LAKE RESORT | 
| 12/18/2001 | 2 | A | GW | NP | 70 | CRATER LAKE RESORT | 
| 12/18/2001 | 1 | A | NP | 70 | CRATER LAKE RESORT | 
| Population Type | Avg Daily Population | Start Month | Start Day | End Month | End Day | Effective Begin Date | Effective End Date | 
| Transient | 40 | 1 | 1 | 12 | 31 | 10/25/2014 | |
| Transient | 100 | 5 | 1 | 10 | 31 | 10/13/2009 | 10/24/2014 | 
| Transient | 40 | 5 | 1 | 10 | 31 | 07/02/2005 | 10/12/2009 | 
| Transient | 40 | 4 | 1 | 12 | 31 | 06/02/2005 | 07/01/2005 | 
| Transient | 70 | 4 | 1 | 12 | 31 | 11/22/2004 | 06/01/2005 | 
| Transient | 70 | 1 | 1 | 12 | 31 | 10/19/1992 | 05/03/2004 |