OHA Drinking Water Services
OR41 00312 GASTON, CITY OF Classification: COMMUNITY
Contact: RICK MAPES Phone: 503-985-3340
PO BOX 129 County: WASHINGTON
GASTON, OR 97119 Activity Status: ACTIVE -- History
Population: 625 Number of Connections: 335
Operating Period: January 1 to December 31 Regulating Agency: WASHINGTON COUNTY
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 1 Approved Drinking Water Protection Plan: No
Treatment class: None Source Water Assessment: No
Filtration Endorsement Required: NoLast Survey Date:  Oct 13, 2022
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR HILLSBORO-CHERRY GROVE/JWC A SW
SRC-AA HILLSBORO-CHERRY GROVE (00985) A Permanent SWP
SRC-AB JOINT WATER COMMISSION (00379) A Permanent SWP
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2022       Due 7/1/2023
2021       Nov 01, 2022
2020       May 26, 2021
2019       Jul 01, 2020 Jul 01, 2020
2018       May 22, 2019 May 22, 2019

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2018 (PDF) 2023
  2017 2022
  2016 2021


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: 4036