OHA Drinking Water Services
OR41 06118 COLUMBIA HILLS HOA Classification: COMMUNITY
Contact: MIKE STONE Phone: 503-543-8525
50606 CRYSTAL RIDGE DR County: COLUMBIA
SCAPPOOSE, OR 97056 Activity Status: ACTIVE Sep 30, 2003 -- History
Population: 60 Number of Connections: 18
Operating Period: January 1 to December 31 Regulating Agency: COLUMBIA COUNTY
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: No
Filtration Endorsement Required: NoLast Survey Date:  Jan 31, 2020
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR WELLS #1, #4, AND #2 A GW
SRC-AA WELL #1 - L56740 A Permanent GW
SRC-AB WELL #7 - L3338 I Other GW
SRC-AC WELL #4 - COLU993 A Permanent GW
SRC-AD WELL #2 - L118190 A Permanent GW
Show Disconnected and Abandoned Sources
Find Purchasers/Sellers


Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credits
Treatment Process Treatment Objective
WTP-A TP FOR WELLS #1, #4, AND #2 HYPOCHLORINATION, PRE IRON REMOVAL
PH ADJUSTMENT IRON REMOVAL
RESID. MAINT. HYPOCHLORINATION OTHER
ION EXCHANGE SOFTENING (HARDNESS REMOVAL)

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2020       Jun 29, 2021 Sep 26, 2021
2019       Not received Sep 29, 2020
2018       Not received Feb 26, 2020
2017       Jun 25, 2018 Jan 12, 2019
2016       Jul 05, 2017 Jul 05, 2017

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
No 2020 (PDF) 2021
  2018 (PDF) 2020
  2017 2019


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: 4836