A Rational Approach to Selecting an Optimal Design Storm for Flood Control

by Agustin E. Maristany, CH2M Hill, United States,
J. Alberto Rodriguez, CH2M Hill, United States,
Donald H. Esry, CH2M Hill, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A rational methodology is presented herein for determining the optimal design storm frequency when planning for flood protection in new urban areas. The technique was developed from an extensive evaluation of the statistical distribution of stormwater flooding damages along the major drainage channels in the City of Tallahassee, Florida. Although the results are specific to the Tallahassee area, the technique can be similarly applied in other urban areas. Moreover, some of the general results and recommendations will likely be directly transferable to areas which exhibit similar climatic and hydrologic characteristics.

Subject Headings: Flood frequency | Hydraulic design | Storms | Stormwater management | Drainage | Urban areas | Floods | Rainfall frequency | Florida | United States

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