OHA Drinking Water Services
OR41 00985 HILLSBORO-CHERRY GROVE Classification: COMMUNITY
Contact: JESSICA DORSEY Phone: 503-615-6579
150 E MAIN ST County: WASHINGTON
HILLSBORO, OR 97123 Activity Status: ACTIVE -- History
Population: 1,456 Number of Connections: 633
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: 1 Approved Drinking Water Protection Plan: No
Treatment class: 1 Source Water Assessment: Yes
Filtration Endorsement Required: NoLast Survey Date:  Aug 29, 2018 - Outstanding Performer!
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR UPPER TUALATIN R. - HAINES FALLS A SW
SRC-AA UPPER TUALATIN R. - HAINES FALLS INTAKE A Permanent SW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credits
Treatment Process Treatment Objective
WTP-A TP FOR UPPER TUALATIN R. - HAINES FALLS SLOW SAND 2.0 logs PH/ALKA ADJ-SODA ASH CORROSION CONTROL
GASEOUS CHLORINATION, POST DISINFECTION
FILTRATION, SLOW SAND PARTICULATE REMOVAL

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2020       Jun 28, 2021 Jun 28, 2021
2019       Jun 30, 2020 Jun 30, 2020
2018       Jun 20, 2019 Jun 20, 2019
2017       Jun 25, 2018 Jun 25, 2018
2016       Jun 27, 2017 Jun 27, 2017

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2020 (PDF) 2022
  2019 (PDF) 2021
  2018 (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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4006