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OR41
PWS ID: 00665 ---- TUALATIN VALLEY WATER DISTRICT


Water System History    -   Click here for Detail View
Date of
Status Change		 Active or
Inactive		 Primary
Source		 PWS
Type		 Population PWS
Name
Current Status
07/11/2023		ASWPC224,600        TUALATIN VALLEY WATER DISTRICT
07/11/2023ASWPC 217,000        TUALATIN VALLEY WATER DISTRICT
01/19/2021ASWPC 222,000        TUALATIN VALLEY WATER DISTRICT
10/24/2017ASWPC 206,600        TUALATIN VALLEY WATER DISTRICT
07/26/2013ASWPC 197,200        TUALATIN VALLEY WATER DISTRICT
10/30/2009ASWPC 197,200        TUALATIN VALLEY WD
10/26/2009ASWPC 192,700        TUALATIN VALLEY WD
03/30/2006ASWPC 158,000        TUALATIN VALLEY WD


Annual Operating Period History
Population
Type		 Avg Daily
Population		 Start
Month		 Start
Day		 End
Month		 End
Day		 Effective
Begin Date		 Effective
End Date
Residential22460011123106/07/2023
Residential21700011123110/01/202006/06/2023
Residential22200011123109/22/201709/30/2020
Residential20660011123107/26/201309/21/2017
Residential19720011123110/13/200907/25/2013
Residential192700111231First Record10/12/2009



More information for this water system: SDWIS ID 4065
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