ASDSO Dam Safety Toolbox

Reservoir Drawdown

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“Where practicable, reservoir release facilities should be provided to lower the pool to a safe level adequate to correct conditions that might threaten the integrity f the dam”.[1]

“Low level outlets are provided to maintain downstream flows for all levels of the reservoirs operational pool. The outlets may also serve to empty the reservoir to permit inspection, to make needed repairs, or to maintain the upstream face of the dam or other structures normally inundated”.[2]

Examples

Best Practices Resources

Hydrologic Engineering Requirements for Reservoirs (EM 1110-2-1420)

Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94)

Trainings


Citations:

  1. ↑ FEMA P-94 Federal Guidelines for Dam Safety: Selecting and Accommodating Inflow Design Floods for Dams, FEMA, 2013
  2. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named EM 1110-2-1420


Revision ID: 3633
Revision Date: 09/16/2022

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