OHA Drinking Water Services
OR41 00660 WEST SLOPE WATER DISTRICT Classification: COMMUNITY
Contact: MIKE GRIMM Phone: 503-292-2777
PO BOX 25140 County: WASHINGTON
PORTLAND, OR 97298 Activity Status: ACTIVE -- History
Population: 11,000 Number of Connections: 3,234
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: 2 Approved Drinking Water Protection Plan: No
Treatment class: None Source Water Assessment: No
Filtration Endorsement Required: NoLast Survey Date:  May 11, 2021 - Outstanding Performer!
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR PORTLAND WATER BUREAU A SW
SRC-AA PORTLAND WATER BUREAU (00657) A Permanent SWP
EP-B EP FOR TUALATIN VALLEY WD I SW
SRC-BA TUALATIN VALLEY WD (00665) I Emergency SWP
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credits
Treatment Process Treatment Objective

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2020       Jul 01, 2021 Jul 01, 2021
2019       Jun 24, 2020 Jun 24, 2020
2018       May 18, 2021 May 18, 2021
2017       Jul 06, 2018 Jul 09, 2018
2016       Jul 28, 2017 Jul 28, 2017

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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4062