OHA Drinking Water Services
OR41 00954 WILSONVILLE, CITY OF Classification: COMMUNITY
Contact: DELORA KERBER Phone: 503-570-1542
29799 SW TOWN CENTER LOOP E County: CLACKAMAS
WILSONVILLE, OR 97070 Activity Status: ACTIVE -- History
Population: 25,915 Number of Connections: 7,187
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: 4 Source Water Assessment: No
Filtration Endorsement Required: NoLast Survey Date:  Mar 16, 2022 - Outstanding Performer!
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR ELLIGSEN (STAFFORD) WELL I GW
SRC-AA ELLIGSEN WELL (STAFFORD) I Emergency GW
EP-B EP FOR WEIDMAN WELL I GW
SRC-BA WIEDEMAN WELL I Emergency GW
EP-C EP FOR CHARBONNEAU WELLS I GW
SRC-CA CHARBONNEAU WELL #1 I Emergency GW
SRC-CB CHARBONNEAU WELL #2 I Emergency GW
EP-D EP FOR GESELLSHAFT WELL I GW
SRC-DA GESELLSHAFT WELL I Emergency GW
EP-E EP FOR NIKE WELL I GW
SRC-EA NIKE WELL I Emergency GW
EP-F EP FOR CANYON CREEK I GW
SRC-FA CANYON CREEK WELL I Emergency GW
EP-G EP FOR BOECKMAN WELL I GW
SRC-GA BOECKMAN WELL I Emergency GW
EP-H EP FOR WILLAMETTE RIVER A SW
SRC-HA WILLAMETTE RIVER A Permanent SW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-H TP FOR WILLAMETTE RIVER Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
OZONATION, PRE DISINFECTION
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2022 6/21/2023 6/21/2023
2021 6/17/2022 6/17/2022
2020 6/15/2021 6/15/2021
2019 6/10/2020 6/10/2020
2018 6/11/2019 6/11/2019

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2022 (PDF) 2023
  2021 (PDF) 2022
  2020 (PDF) 2021


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: 4377

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