OHA Drinking Water Services
OR41 01044 TIERRA LINDA ESTATES Classification: COMMUNITY
Contact: MARY ENGLUND Phone: 406-478-4050
221 MAIN STREET #2039 County: UMATILLA
LOS ALTOS, CA 94023 Activity Status: ACTIVE -- History
Population: 450 Number of Connections: 106
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: PRIVATE
Required: Y Licensed By: N/A
Distribution class: S Approved Drinking Water Protection Plan: No
Treatment class: None Source Water Assessment: Yes
Filtration Endorsement Required: NoLast Survey Date:  May 27, 2021
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR WELLS #2 & #4 A GW
SRC-AB WELL #2 - SHOP - UMAT2063 A Permanent GW
SRC-AD WELL #4 - NE - UMAT2058 A Permanent GW
Show Disconnected and Abandoned Sources
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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       Not received
2020       Not received
2019       Not received
2018       Not received

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2020 (PDF) 2023
  2019 (PDF) 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: 3810