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Landsburg Fish Ladder Annual Salmon Counts

Published by data.seattle.gov | City of Seattle | Catalog Last Checked: September 22, 2025 at 03:11 AM | Dataset Last Updated: August 06, 2025
The Landsburg Fish Ladder was constructed in 2003 at the Landsburg Diversion Dam at River Mile 23 on the Cedar River. Data includes annual (Return Year) salmon counts by species as well as by sex and adipose fin status, where known. Fish counts are obtained either through manual sorting (Sorted) or by analyzing fish camera videos (Fish Camera). Data are collected as part of the Habitat Conservation Plan and Landsburg Mitigation Agreement. Methods and data summaries are available in the Fish Ladder Annual Reports (SPU). Most recent Annual Report can be found here: https://archives.seattle.gov/digital-collections/index.php/Detail/objects/278289 Past Annual Reports: https://archives.seattle.gov/digital-collections/index.php/Detail/collections/2593 For more information visit: https://www.seattle.gov/utilities/protecting-our-environment/our-water-sources/habitat-conservation-plan/fish/landsburg-fish-passage

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