POL Government Bureaus & Offices Environmental Services What We Do Watershed Management Portland's Watersheds Willamette Watershed Willamette Watershed Characterization Report  Willamette Subwatersheds   Conditions unique to each of the 27 Willamette subwatersheds
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The Mill-Jefferson subwatershed covers much of downtown Portland between Interstate 405 and the river south of West Burnside. It contains no open streams, but includes Waterfront Park.
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