What We Do

The Districts’ primary goal is to protect lives and properties from both external flooding and internal flooding, by maintaining levees along the Columbia River and managing drainage districts and pumps stations. The Drainage Districts facilitate the balance of safety, recreation, and restoration through our partnerships with public, non-profit, and private organizations.

The Columbia Corridor Drainage Districts include:
Peninsula Drainage District #1 | Peninsula Drainage District #2
Multnomah County Drainage District #1 | Sandy Drainage Improvement Company

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