PWS ID: 00878 ---- TIGARD, CITY OF

Water System History Details    -   Click here for End-of-Day View
Date of
Status Change
Record
Sequence
Active or
Inactive
Primary
Source
PWS
Type
Population PWS
Name
Current Status
05/18/2023
9ASWPC62,500        TIGARD, CITY OF
05/18/20238ASWPC 65,000        TIGARD, CITY OF
12/28/20207ASWPC 60,236        TIGARD, CITY OF
12/17/20196ASWPC 57,658        TIGARD, CITY OF
12/17/20195ASWPC 57,658        TIGARD, CITY OF
07/20/20104ASWPC 55,990        TIGARD, CITY OF
08/23/20063ASWPC 47,000        TIGARD, CITY OF
05/17/20022ASWPC 39,400        TIGARD, CITY OF
12/14/20011ASWPC 37,350        TIGARD, 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
Residential6250011123104/19/2023
Residential6500011123109/24/202004/18/2023
Residential6023611123107/30/201509/23/2020
Residential5765811123107/20/201007/29/2015
Residential5599011123104/17/200207/19/2010


For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA