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
01/17/2024
ASWPC28,000        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
Residential2800011123106/08/2021
Residential2687911123106/26/201506/07/2021
Residential2602511123105/26/201006/25/2015
Residential2546411123101/01/200605/25/2010
Residential2410011123106/19/200312/31/2005
Residential24100111231First Record06/18/2003




More information for this water system: SDWIS ID 4081
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

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