OHA Drinking Water Services
OR41 00174 KNOLL TERRACE PARK Classification: COMMUNITY
Contact: TOM MORGAN Phone: 541-752-2225
5055 NE ELLIOTT CIRCLE County: BENTON
CORVALLIS, OR 97330 Activity Status: ACTIVE -- History
Population: 452 Number of Connections: 212
Operating Period: January 1 to December 31 Regulating Agency: BENTON COUNTY
Certified Operator(s) Owner Type: PRIVATE
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 30, 2017 - Outstanding Performer!
Sources
Facility ID Facility Name  -  Well Logs Activity Status Availability Source Type
EP-A EP FOR RESERVOIR A GW
SRC-AA WELL #1 (NORTH WELL) - BENT2589 A Permanent GW
SRC-AB WELL #2 (SOUTH WELL) - BENT2606 A Permanent GW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR RESERVOIR RESID. MAINT. HYPOCHLORINATION OTHER
ION EXCHANGE INORGANICS REMOVAL
ION EXCHANGE SOFTENING (HARDNESS REMOVAL)

Consumer Confidence Reports (Last 5 Years)
For Year       Date Received Date Certified
2021       Apr 22, 2022 Apr 22, 2022
2020       Apr 22, 2022 Apr 22, 2022
2019       Apr 22, 2022 Apr 22, 2022
2018       Apr 22, 2022 Apr 22, 2022
2017       Apr 30, 2018 Apr 30, 2018

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes 2021 (PDF) 2018
  2020 (PDF) 2015
  2019 (PDF) 2013


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: 3262