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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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Characterization
The descriptions below provide general information for each subject. Click on each subject to get subwatershed specific descriptions.

Habitat and Biological Communities

Infrastructure

Land Use and Population

Landscape and Hydrology

Stewardship

Water Quality
Maps & Files

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