Impact of Reservoir Flood-Control Operation on Interior-Drainage Facilities

by Michael Lindquist,
David Ford,
Pete Hall,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Sacramento, CA is protected from floods of the American River by Folsom Dam and a system of levees. Proposed modifications to the flood-control operation of Folsom will increase downstream flows and thus may affect performance of pumps, gravity drains, and channels that carry interior flooding over or through the levees. To evaluate the impact, we used a suite of hydrologic and hydraulic models to simulate performance, with and without Folsom operation modifications, for a 40-yr historical record and for design-storm events. From the simulation, we defined interior stage-frequency functions so that expected economic costs of re-operation could be estimated.

Subject Headings: Floods | Reservoirs | Hydrologic models | Hydraulic models | Levees and dikes | Hydraulic design | Rivers and streams | Dams | California | United States

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