OHA Drinking Water Services
OR41 00194 CLATSKANIE, CITY OF Classification: COMMUNITY
Contact: DANIEL SMITH Phone: 503-728-2622 View on Map
PO BOX 9 County: COLUMBIA
CLATSKANIE, OR 97016 Activity Status: Active -- History
Population: 2,188 Number of Connections: 922
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: 2 Last Survey Date:  Oct 15, 2021 - Outstanding Performer!
Treatment class: 2
Filtration Endorsement Required: Yes Source Water Protection Status

Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR WTP A SW
SRC-AA WEST CREEK A Permanent SW
SRC-AB ROARING CREEK (JULY ONLY) A Seasonal SW
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Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit
Treatment Process Treatment Objective
WTP-A TP FOR WEST AND ROARING CREEKS Direct Filtration 2.0-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
HYPOCHLORINATION, POST 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
2025 2/2/2026 Due 7/11/2026
2024 7/10/2025 5/13/2025
2023 7/10/2025 3/12/2024
2022 7/26/2023 8/1/2023
2021 7/26/2023 3/8/2024

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