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Benefits from Floodplain Management Activities in Relation to Operating South Holston Dam

by Forrest J. Crayford, Jr., Flood Protection, TVA, United States,
Gregory W. Lowe, Flood Protection, TVA, United States,
Arland W. Whitlock, Flood Protection, TVA, United States,



Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management

Abstract:

Floodplain management activities have primarily been directed toward avoiding floodplain siting where practical; where siting is unavoidable, elevating structures, facilities, or equipment to minimize flood damage and avoid floodwater contact with people; and implementing structural measures to reduce flood risk to existing development if benefits would exceed costs. However, in many cases where the cost would not justify structural measures, one of the major problems is what can be done to minimize the flood impacts to existing low-lying development and to reduce the threat to life. This paper describes how a floodplain assessment of structures at risk from flooding resulted in TVA and local officials joining together to implement a flood warning and response procedures for residents downstream from South Holston Dam.

Subject Headings: Floods | Embankment dams | Disaster warning systems | Risk management | Systems management | Federal government | Benefit cost ratios | Tennessee | United States

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