Latest News

North Fork Toutle River Sediment Retention StructureMt. St. Helens Sediment Management

Sediment deposits from the 1980 eruption of Mount St. Helens create an ongoing threat of flooding to downstream communities. The United States Army Corps of Engineers (USACE) is evaluating ways to manage flood risk for Castle Rock, Lexington, Kelso and Longview. Access the full article.





Cowlitz River - Allen Street BridgeCowlitz River Survey

The USACE’s first Cowlitz River survey in four years is planned for September 2020. Local agencies agreed to pay $110,000 for the USACE to survey the Cowlitz River to evaluate flood risk. The survey was conducted in the fall of 2019, but survey results won’t be released until February of March 2020. Access the full article.




Stormwater Calendar ContestCowlitz Clean Waters Calendar Contest

Middle school students in Cowlitz County were invited to help protect our waters by creating a haiku or work of art that could be featured in the 2020 Cowlitz Clean Waters "Solutions to Stormwater Pollution" Calendar. An event was held in January, 2020 to recognize students’ contributions, announce winners and award prizes totaling $1,200. View the Contest Calendar (PDF).