OHA Drinking Water Services
OR41 00706 RIDDLE, CITY OF Classification: COMMUNITY
Contact: ROBERT TILTON Phone: 541-874-2905
PO BOX 143 County: DOUGLAS
RIDDLE, OR 97469 Activity Status: ACTIVE -- History
Population: 1,300 Number of Connections: 545
Operating Period: January 1 to December 31 Regulating Agency: REGION 2
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 1 Approved Drinking Water Protection Plan: No
Treatment class: 2 Source Water Assessment: Yes
Filtration Endorsement Required: YesLast Survey Date:  Dec 08, 2021
Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR COW CREEK A SW
SRC-AA COW CREEK A Permanent SW
Show Disconnected and Abandoned Sources
Find Purchasers/Sellers


Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR COW CREEK Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST DISINFECTION
HYPOCHLORINATION, PRE DISINFECTION
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL

Consumer Confidence Reports (Last 5 Years)
For Year Date Received Date Certified
2022 7/21/2023 4/25/2023
2021 6/21/2022 6/21/2022
2020 Not received 11/15/2021
2019 6/16/2020 6/16/2020
2018 5/8/2019 5/28/2019

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received
Fee Invoice Paid
Yes (PDF) 2022 (PDF) 2023
  2021 (PDF) 2022
  2020 (PDF) 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: 3988

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