| Date of Status Change | Record Sequence | Active or Inactive | Primary Source | PWS Type | Population | PWS Name | 
| Current Status 06/15/2021 | 9 | A | GW | NC | 115 | TWIN ROCKS FRIENDS CAMP | 
| 06/15/2021 | 8 | A | GW | NC | 115 | TWIN ROCKS FRIENDS CAMP | 
| 05/17/2016 | 7 | A | GW | NC | 126 | TWIN ROCKS FRIENDS CAMP | 
| 03/09/2011 | 6 | A | GW | NC | 300 | TWIN ROCKS FRIENDS CAMP | 
| 07/30/2007 | 5 | A | GW | NC | 300 | TWIN ROCKS CONFERENCE ASSN. | 
| 01/17/2006 | 4 | I | GW | NC | 300 | TWIN ROCKS CONFERENCE ASSN. | 
| 07/22/2005 | 3 | I | GW | NP | 300 | TWIN ROCKS CONFERENCE ASSN. | 
| 07/22/2005 | 2 | I | GW | NC | 300 | TWIN ROCKS CONFERENCE ASSN. | 
| 07/22/2005 | 1 | A | GW | NC | 300 | TWIN ROCKS CONFERENCE ASSN. | 
| Population Type | Avg Daily Population | Start Month | Start Day | End Month | End Day | Effective Begin Date | Effective End Date | 
| Transient | 115 | 1 | 1 | 12 | 31 | 04/13/2016 | |
| Transient | 126 | 1 | 1 | 12 | 31 | 02/08/2011 | 04/12/2016 | 
| Transient | 300 | 1 | 1 | 12 | 31 | First Record | 02/07/2011 |