OHA Drinking Water Services
OR41 00613 PENDLETON, CITY OF Classification: COMMUNITY
Contact: BOB PATTERSON Phone: 541-966-0202 View on Map
500 SW DORION AVE County: UMATILLA
PENDLETON, OR 97801 Activity Status: ACTIVE -- History
Population: 17,169 Number of Connections: 5,939
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 08, 2021
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
Credit
Treatment Process Treatment Objective
WTP-A TP FOR WELL #7 AND UMATILLA RIVER MEMBRANE FILTRATION 2.5-logFILTRATION, MEMBRANE PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
HYPOCHLORINATION, PRE DISINFECTION
COAGULATION 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
2023 Due 7/1/2024 Due 10/1/2024
2022 7/3/2023 Not received
2021 6/23/2022 6/23/2022
2020 7/15/2021 7/15/2021
2019 6/17/2020 6/17/2020

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Cross Connection
Fee Status
Yes (PDF) 2022 (PDF) 2024 - Paid Overpayment
2023 - Paid
2022 - Unpaid Late
2021 - Paid
  2021 (PDF)
  2020 (PDF)


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: 4231

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