OHA Drinking Water Services
OR41 00587 ONTARIO, CITY OF Classification: COMMUNITY
Contact: GARY MCLAUCHLIN Phone: 541-889-8011
1900 SE 5TH AVENUE County: MALHEUR
ONTARIO, OR 97914 Activity Status: ACTIVE -- History
Population: 14,465 Number of Connections: 4,082
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:  Jun 16, 2022 - Outstanding Performer!
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR RIVER, WELLS A SW
SRC-AA SNAKE RIVER A Permanent SW
SRC-AB WELL 4 - MALH1649 A Permanent GU
SRC-AE WELL 6 - MALH1284 A Permanent GU
SRC-AF WELL 14 - MALH1629 A Permanent GU
SRC-AG WELL 15 - L88892 A Permanent GU
SRC-AH WELL 16 - L88891 A Permanent GU
SRC-AI WELL 17 - L106327 A Permanent GU
Show Disconnected and Abandoned Sources
Find Purchasers/Sellers


Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A1 TP FOR OLD PLANT Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
HYPOCHLORINATION, PRE DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
PERMANGANATE IRON REMOVAL
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL
WTP-A2 TP FOR WESTECH PLANT Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
HYPOCHLORINATION, PRE DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
PERMANGANATE IRON REMOVAL
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
2021       Apr 01, 2022 Apr 01, 2022
2020       Jun 09, 2021 Jun 09, 2021
2019       May 20, 2020 May 20, 2020
2018       Jun 28, 2019 Jun 28, 2019
2017       Jun 05, 2018 Jun 05, 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: 3898