Sediment Flushing Experiences at Cherry Creek Dam

by Robert J. Buchholz, US Army Corps of Engineers, United States,
Michael Knofczynski, US Army Corps of Engineers, United States,

Document Type: Proceeding Paper

Part of: Soil Properties Evaluation from Centrifugal Models and Field Performance


An overview of the U.S. Army Corps of Engineers, Omaha District's experiences in sediment flushing operations at Cherry Creek Reservoir near Denver, Colorado is presented. Minor and infrequent releases at this dam allow entrained fine sediment to accumulate and compact in the vicinity of the emergency gate slots, threatening the integrity of the flood control project by preventing their use during an emergency. Flushing operations in 1985 and 1986 confirmed that operational releases on a routine basis could remove unconsolidated sediment in the immediate vicinity of the gates.

Subject Headings: Sediment | Flushing | Dams | Gates (hydraulic) | Rivers and streams | Reservoirs | Emergency management | United States | Colorado | Nebraska | Denver

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