OHA Drinking Water Services
OR41 00953 WILLAMINA, CITY OF Classification: COMMUNITY
Contact: JUSTIN RIGGS Phone: 503-437-7003
PO BOX 629 County: YAMHILL
WILLAMINA, OR 97396 Activity Status: ACTIVE -- History
Population: 2,284 Number of Connections: 900
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: 3 Source Water Assessment: Yes
Filtration Endorsement Required: NoLast Survey Date:  Feb 10, 2022
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR WILLAMINA CREEK A SW
SRC-AA WILLAMINA CREEK A Permanent SW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR WILLAMINA CREEK Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
PH/ALKA ADJ-SODA ASH CORROSION CONTROL
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
PH ADJUSTMENT, PRE PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2021       Feb 23, 2022 Feb 23, 2022
2020       Apr 16, 2021 Apr 16, 2021
2019       Mar 05, 2020 Mar 05, 2020
2018       Mar 11, 2019 Mar 06, 2019
2017       Jan 18, 2018 Jan 18, 2018

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2021 (PDF) 2022
  2020 (PDF) 2021
  2019 (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: 4690