OHA Drinking Water Services
OR41
PWS ID: 00906 ---- TUALATIN, CITY OF


Water System History    -   Click here for Detail View
Date of
Status Change		 Active or
Inactive		 Primary
Source		 PWS
Type		 Population PWS
Name
Current Status
01/13/2025		ASWPC28,106        TUALATIN, CITY OF
01/13/2025ASWPC 28,000        TUALATIN, CITY OF
06/24/2021ASWPC 26,879        TUALATIN, CITY OF
08/13/2015ASWPC 26,025        TUALATIN, CITY OF
05/26/2010ASWPC 25,464        TUALATIN, CITY OF
01/25/2006ASWPC 24,100        TUALATIN, CITY OF
07/03/2003ASWPNP 0        TUALATIN, CITY OF


Annual Operating Period History
Population
Type		 Avg Daily
Population		 Start
Month		 Start
Day		 End
Month		 End
Day		 Effective
Begin Date		 Effective
End Date
Residential2810611123111/21/2024
Residential2800011123106/08/202111/20/2024
Residential2687911123106/26/201506/07/2021
Residential2602511123105/26/201006/25/2015
Residential2546411123101/01/200605/25/2010
Residential2410011123106/19/200312/31/2005
Residential24100111231First Record06/18/2003