| Date of Status Change |
Active or Inactive |
Primary Source |
PWS Type |
Population | PWS Name |
| Current Status 09/01/2021 | A | GW | NC | 50 | KLAMATH OUTDOOR SCIENCE SCHOOL |
| 11/22/2010 | A | GW | NC | 60 | KLAMATH OUTDOOR SCIENCE SCHOOL |
| 06/10/2010 | A | GW | NC | 60 | KLAMATH OUTDOOR SCIENCE SCHOOL |
| Population Type |
Avg Daily Population |
Start Month |
Start Day |
End Month |
End Day |
Effective Begin Date |
Effective End Date |
| Transient | 50 | 5 | 1 | 10 | 31 | 03/18/2022 | |
| Transient | 50 | 1 | 1 | 12 | 31 | 05/22/2017 | 03/17/2022 |
| Transient | 50 | 4 | 1 | 6 | 30 | 05/29/2015 | 05/21/2017 |
| Transient | 50 | 4 | 1 | 10 | 31 | 06/10/2010 | 05/28/2015 |