| Date of Status Change | Active or Inactive | Primary Source | PWS Type | Population | PWS Name | 
| Current Status 10/19/2022 | A | GW | C | 38 | SHANIKO WATER SYSTEM | 
| 02/22/2021 | A | GW | NP | 23 | SHANIKO WATER SYSTEM | 
| 02/08/2011 | A | GW | C | 30 | SHANIKO WATER SYSTEM | 
| 12/20/2002 | A | GW | C | 30 | SHANIKO WATER SYSTEM | 
| 06/19/2002 | A | GW | NP | 20 | SHANIKO WATER SYSTEM | 
| Population Type | Avg Daily Population | Start Month | Start Day | End Month | End Day | Effective Begin Date | Effective End Date | 
| Residential | 38 | 1 | 1 | 12 | 31 | 02/22/2021 | |
| Residential | 23 | 1 | 1 | 12 | 31 | 10/07/2010 | 02/21/2021 | 
| Residential | 30 | 1 | 1 | 12 | 31 | 12/10/2002 | 10/06/2010 | 
| Residential | 20 | 1 | 1 | 12 | 31 | 06/10/2002 | 12/09/2002 |