OHA Drinking Water Services
OR41
PWS ID: 95363 ---- USFWS TUALATIN RIVER NATL WLR


Water System History    -   Click here for Detail View
Date of
Status Change		 Active or
Inactive		 Primary
Source		 PWS
Type		 Population PWS
Name
Current Status
10/23/2025		AGWNC275        USFWS TUALATIN RIVER NATL WLR
08/21/2008AGW NC 275        USFWS TUALATIN RIV NATL WILDLIFE REFUGE
08/20/2008AGW NC 275        TUALATIN NATIONAL WILDLIFE REFUGE
08/19/2008AGW NP 275        TUALATIN NATL. WILDLIFE REFUGE


Annual Operating Period History
Population
Type		 Avg Daily
Population		 Start
Month		 Start
Day		 End
Month		 End
Day		 Effective
Begin Date		 Effective
End Date
Transient27511123108/19/2008