WDFW - Tacoma Power Cowlitz Weirs

An output of steelhead recovered at the Cowlitz-basin weirs placed on Delameter Creek Weir, Lacamas Creek Weir, Olequa Creek Weir, Ostrander Creek Weir. Data is refreshed nightly, but the weirs typically operate seasonally. Data originates in the WDFW database Traps, Weirs, and Surveys (TWS) database.

Data and Resources

Additional Info

Field Value
Source https://data.wa.gov/resource/tdzk-qb6j
Author Washington Department of Fish and Wildlife Data
Last Updated June 17, 2026, 05:49 (UTC)
Created May 29, 2026, 02:14 (UTC)
Category Natural Resources & Environment
Period of Time 2011-Present
Posting Frequency Nightly
harvest_object_id ac0b0ebc-d484-4546-b2b3-43551a24e92f
harvest_source_id c4128faf-39ff-4aa3-918e-8a395702cab3
harvest_source_title washington-state