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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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The Marquam -Woods subwatershed extends from the West Hills to the Willamette River south of Interstate 405. It includes the Marquam Nature Park and parts of the Oregon Health Sciences University and Veterans Hospital complex. The South Waterfront redevelopment area, also referred to as north Macadam, is within the subwatershed.
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