OHA Drinking Water Services
OR41 00944 WEST LINN, CITY OF Classification: COMMUNITY
Contact: MATT KAATZ Phone: 503-742-6083 View on Map
4100 NORFOLK ST County: CLACKAMAS
WEST LINN, OR 97068 Activity Status: Active -- History
Population: 28,000 Number of Connections: 9,400
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: 3 Last Survey Date:  Oct 15, 2025 - Outstanding Performer!
Treatment class: None
Filtration Endorsement Required: No Source Water Protection Status - Award Granted! 11/2024

Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR SOUTH FORK WATER BOARD - CLACK R A SW
SRC-AA SOUTH FORK WATER BOARD (00591) A Permanent SWP
EP-B EP FOR CITY OF LAKE OSWEGO - CLACK. R. I SW
SRC-BA CITY OF LAKE OSWEGO (00457) I Emergency 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
2025 Due 7/1/2026 Due 7/11/2026
2024 6/26/2025 6/26/2025
2023 6/20/2024 6/20/2024
2022 6/28/2023 6/28/2023
2021 6/15/2022 6/15/2022

Cross Connection/Backflow Prevention Information (Last 5 Years)
Enabling Authority Received Annual Summary Report Cross Connection Fee Status
Yes (pdf) 2025 - Received (pdf)
2024 - Received (pdf)
2023 - Received (pdf)
2022 - Received (pdf)
2021 - Received (pdf)
2026 - Paid
2025 - Paid
2024 - Paid
2023 - Paid
2022 - Paid