Nonstructural Approaches to the Management of the Snohomish River Basin Flood Hazard

Calhoon, Craig S.; Palmer, Marge; Hand, R. T.; Robinson, Thomas; Singbeil, Bruce; Morrill, Richard L.

Nonstructural Approaches to the Management of the Snohomish River Basin Flood Hazard

1980

This report analyzes means of controlling existing and probable future flood damage problems in the Snohomish River Basin in Washington State through the use of 'nonstructural' methods. These methods include small scale structural modifications to existing buildings and property subject to flood damages as well as strategies (such as land use controls) to avoid increases in damage levels. A variety of mechanisms were found to be promising for the control of existing problems in this river basin, and for the avoidance of increases in damage levels in the future. Specific recommendations are made for control strategies in each of the eight subregions studied, and basin-wide strategies for flood hazard management were also articulated. Information needed for the implementation of these strategies are outlined, and responsibilities for the achievement of these flood damage reduction strategies on the part of various levels of government are discussed.

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