OHA Drinking Water Services
OR41 00457 LAKE OSWEGO MUNICIPAL WATER Classification: COMMUNITY
Contact: ANTHONY HOOPER Phone: 503-697-7422
PO BOX 369 County: CLACKAMAS
LAKE OSWEGO, OR 97034 Activity Status: ACTIVE -- History
Population: 36,453 Number of Connections: 12,528
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: 3 Approved Drinking Water Protection Plan: No
Treatment class: None Source Water Assessment: Yes
Filtration Endorsement Required: NoLast Survey Date:  Jun 26, 2019
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-C EP FOR LAKE OSWEGO - TIGARD WATER SUPPLY A SW
SRC-CA LAKE OSWEGO-TIGARD WATER SUPPLY - 01542 A Permanent SWP
Show Disconnected and Abandoned Sources
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2021       May 18, 2022 May 18, 2022
2020       Jun 03, 2021 Jun 03, 2021
2019       Jun 26, 2020 Jun 26, 2020
2018       Jul 01, 2019 Jul 01, 2019
2017       Jun 28, 2018 Jun 28, 2018

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2020 (PDF) 2022
  2019 (PDF) 2021
  2018 (PDF) 2020


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 For SDWIS: 4106