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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 Holladay -Sullivan subwatershed extends from near NE 50th Avenue to the Willamette River between the Broadway and Steel Bridges and from near NE Fremont to I-84. The subwatershed is defined as the Holladay and Sullivan sewer basins. There are no stream channels in the subwatershed.
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