OHA Drinking Water Services
OR41 00613 PENDLETON, CITY OF Classification: COMMUNITY
Contact: BOB PATTERSON Phone: 541-966-0202
500 SW DORION AVE County: UMATILLA
PENDLETON, OR 97801 Activity Status: ACTIVE -- History
Population: 17,310 Number of Connections: 5,810
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: 2 Source Water Assessment: Yes
Filtration Endorsement Required: NoLast Survey Date:  Dec 14, 2017
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR WELL #7 AND WTP A SW
SRC-AL WELL #7 (MISSION) - L94960 A Seasonal GW
SRC-AM UMATILLA RIVER A Permanent SW
EP-B EP FOR WELL #1 (BYERS) A GW
SRC-BA WELL #1 ASR (BYERS) - L94955 A Permanent GW
EP-C EP FOR WELL #2 (ROUNDUP) A GW
SRC-CA WELL #2 (ROUNDUP) - L94956 A Permanent GW
EP-D EP FOR WELL #3 (SW 21 ST) A GW
SRC-DA WELL #3 (SW 21ST) - L94957 A Permanent GW
EP-E EP FOR WELL #4 (HOSPITAL) A GW
SRC-EA WELL #4 ASR (HOSPITAL) - L94958 A Permanent GW
EP-F EP FOR WELL #5 (STILLMAN) A GW
SRC-FA WELL #5 ASR (STILLMAN) - L94959 A Permanent GW
EP-G EP FOR WELL #8 (PRISON) A GW
SRC-GA WELL #8 ASR (PRISON) - L102164 A Permanent GW
EP-H EP FOR WELL #14 A GW
SRC-HA WELL #14 ASR - L33771 A Seasonal GW
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 WELL #7 AND UMATILLA RIVER MEMBRANE FILTRATION 2.5 logs HYPOCHLORINATION, POST DISINFECTION
HYPOCHLORINATION, PRE DISINFECTION
COAGULATION PARTICULATE REMOVAL
FILTRATION, MEMBRANE PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
WTP-B TP FOR WELL #1 (BYERS) RESID. MAINT. HYPOCHLORINATION OTHER
WTP-C TP FOR WELL #2 (ROUNDUP) RESID. MAINT. HYPOCHLORINATION OTHER
WTP-D TP FOR WELL #3 (SW 21 ST) RESID. MAINT. HYPOCHLORINATION OTHER
WTP-E TP FOR WELL #4 (HOSPITAL) RESID. MAINT. HYPOCHLORINATION OTHER
WTP-F TP FOR WELL #5 (STILLMAN) RESID. MAINT. HYPOCHLORINATION OTHER
AERATION, SPRAY TASTE / ODOR CONTROL
WTP-G TP FOR WELL #8 (PRISON) RESID. MAINT. HYPOCHLORINATION OTHER
WTP-H TP FOR WELL #14 (BROGOITTI) RESID. MAINT. HYPOCHLORINATION OTHER

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2020       Jul 15, 2021 Jul 15, 2021
2019       Jun 17, 2020 Jun 17, 2020
2018       Jun 26, 2019 Jun 26, 2019
2017       Jun 26, 2018 Jun 26, 2018
2016       Sep 07, 2017 Sep 07, 2017

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2019 (PDF) 2021
  2017 2019
  2016 2018


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: 4231