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The Nation's Responses To Flood Disasters: A Historical Account

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<strong>The</strong> Nation’s <strong>Responses</strong> to <strong>Flood</strong> <strong>Disasters</strong>: A <strong>Historical</strong> <strong>Account</strong><br />

• Limited Governmental Capabilities. Some states and most communities lack the full<br />

resources necessary to bring about comprehensive local action to mitigate flood<br />

problems without federal support. Local governments invariably misjudge their<br />

ability to deal with severe flood events. However, they are necessary partners to any<br />

successful solution.<br />

• Need for Interdisciplinary Approaches. Consideration of plans to solve flood<br />

problems should encompass the entire hydrologic unit and be part of a broader water<br />

resources management program. A lack of familiarity with all the available<br />

techniques biases the investigation and selection of solutions for specific flood<br />

problems. Training in a variety of disciplines is needed in devising and carrying out<br />

mitigation strategies.<br />

• Application of Measures. Nationwide mapping of floodplain areas has resulted in<br />

detailed studies of most developed floodplain areas. A variety of strategies have<br />

been used 1) to restore and preserve the natural and cultural resources of floodplains<br />

and 2) to reduce economic losses by modifying susceptibility to flood damage and<br />

disruption, flooding, and impacts of flooding on individuals and the community.<br />

Although there are some notable exceptions, measures implemented at the local level<br />

typically involve only floodplain regulations (to meet the requirements of the NFIP<br />

and, in some instances, more restrictive state programs) and the purchase of<br />

individual flood insurance. Storage or control of floodwaters is still the preferred<br />

political approach at the local level.<br />

• Effectiveness of Mitigation Measures. Structural flood control measures have been<br />

effective in reducing economic losses to floodplain occupants. <strong>The</strong> application of<br />

additional structural measures is viewed as limited because of economic and<br />

environmental considerations. Land use regulations required by some federal<br />

programs and implemented by state and local governments have reduced the rate of<br />

floodplain development but have not arrested it. Compliance with regulatory<br />

controls is a significant problem. New technologies and techniques associated with<br />

risk assessment, forecasting, warning, and construction practices have substantially<br />

improved the application and effectiveness of these activities. A national flood<br />

insurance program has not realized its full potential because less than one-fifth of<br />

floodplain residents have purchased and maintained policy coverage.<br />

• Role of Disaster Assistance. Liberal federal assistance in post-flood relief and<br />

recovery has reinforced expectations of government aid if and when flood disasters<br />

occur. This mindset has resulted in limited mitigation planning and actions by<br />

communities and individuals.<br />

• National Goals and Resources. Despite great strides, the United States still lacks a<br />

truly unified national program for floodplain management. Ambiguity in national<br />

goals has hindered the effective employment of limited financial and human<br />

resources.

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