OHA Drinking Water Services
OR41 00665 TUALATIN VALLEY WATER DISTRICT Classification: COMMUNITY
Contact: MATT OGLESBY Phone: 503-848-3000
1850 SW 170TH AVE County: WASHINGTON
BEAVERTON, OR 97003 Activity Status: ACTIVE -- History
Population: 217,000 Number of Connections: 59,468
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 4 Approved Drinking Water Protection Plan: No
Treatment class: 2 Source Water Assessment: No
Filtration Endorsement Required: NoLast Survey Date:  Oct 01, 2020
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR PORTLAND WB - TUALATIN VALLEY A SW
SRC-AA PORTLAND WATER BUREAU-TUALATIN VALLEY A Permanent SWP
EP-B EP FOR PORTLAND WB - METZGER A SW
SRC-BA PORTLAND WATER BUREAU-METZGER A Permanent SWP
EP-C EP FOR WELL 1 - GRABHORN ASR A GW
SRC-CA WELL 1 - GRABHORN ASR - L100484 A Seasonal GW
EP-D EP FOR WELL 2 - SCHUEPBACH ASR I GW
SRC-DA WELL 2 - SCHUEPBACH ASR - L100486 I Emergency GW
EP-F EP FOR JOINT WATER COMMISSION A SW
SRC-FA JOINT WATER COMMISSION (00379) A Permanent SWP
Show Disconnected and Abandoned Sources
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credits
Treatment Process Treatment Objective
WTP-A TP FOR PORTLAND WB - TUALATIN VALLEY FLUORIDATION OTHER
WTP-C TP FOR WELL 1 - GRABHORN ASR FLUORIDATION OTHER
RESID. MAINT. HYPOCHLORINATION OTHER
WTP-F TP FOR JOINT WATER COMMISSION FLUORIDATION OTHER

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2020       May 17, 2021 May 06, 2021
2019       Jun 22, 2020 Jun 22, 2020
2018       Jun 12, 2019 Jun 12, 2019
2017       May 22, 2018 May 22, 2018
2016       Jun 19, 2017 Jun 19, 2017

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2020 (PDF) 2021
  2019 (PDF) 2020
  2018 (PDF) 2019


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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4065