Mount St. Helens Sediment Retention Structure Contract Awarded to Odin Environmental, USACE – January 30, 2026

Odin Environmental Solutions LLC, from Roseville, California, has been awarded a $29 million civil construction contract on January 30, 2026, for the Mount St. Helens Sediment Retention Structure Crest Raise.

Contract Award Details

Contractor: Odin Environmental Solutions LLC
Award Date: January 30, 2026
Contract Value: $28,975,505
Project: Mount St. Helens Sediment Retention Structure Crest Raise
Location: Cowlitz County, Washington
Contract Number: W9127N-26-C-A011
Awarding District: U.S. Army Corps of Engineers, Portland District

Work will be performed in Cowlitz County, Washington, with an estimated completion date of May 25, 2028.


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