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Portland District

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The Sediment Retention Structure Specifications

Graphic- Cutaway view of SRS Outlet Structure, brownish tones. Dam Structure:

  • Dam Crest Height:184 ft. (el. 999 NGVD)
  • Dam Crest Length: 1,888 ft.
  • Dam Crest Width: 70 ft.
  • Spillway Crest Height: 125 ft (el. 940 NGVF)
  • Spillway Crest Width: 400 ft.

Outlet Works:

  • Conduits  30, 3-ft-diameter (6 rows, 5 openings per row)

Storage Volume and Retention Area:

  • Maximum Area:  3,200 acres
  • Maximum Volume: 258 million cub. yards (estimated)

Content POC: Pagemaster, 541-374-8820 | Technical POC: NWP Webmaster | Last updated: 12/14/2006 2:36:09 PM

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