Department of Natural Resources - Classification and Design of Dams, Dikes, and Levees - Levees, general requirements.

Published: 2005-01-16

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(A) Future development of areas upstream, downstream, and adjacent to the levee shall be considered in the design.

(B) The levee shall operate safely during all floods up to the design flood elevation.

(C) Provisions for drainage of the area protected by the levee shall be incorporated into the structure. Measures shall be included to prevent flooding of this area by backflow through the drainage system.

(D) The levee must be protected from or designed to prevent erosive velocities along the structure and its foundation.

(E) Grass vegetation or other vegetation of similar properties are the only acceptable vegetative covers for earthen levee embankment surfaces. Vetch, trees and brush are not acceptable surface covers.