Join the Columbia Slough Watershed Council and the Multnomah County Drainage District for the 12th annual trash-hauling extravaganza!  Borrow a boat, bring your own, or sort out trash on land.  With your help, the Slough gets cleaner each year!  Clearing garbage and debris from the...

Learn about our flood-risk reduction systems and services at an event near you! The Districts, in partnership with Levee Ready Columbia, host informational booths at various events throughout Multnomah County each year. Stop by our booth to learn about the history of flooding along the...