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<br />flood control projects have been built in this country, resulting in the prevention of a significant <br />quantity of flood damage, However, only recently have vital nonstructural actions been brought onto <br />the scene to complement the structural protection. What is more, the nation's citizens and <br />policymakers have not recognized the inherent limits of existing statutes and prevailing policy to <br />curtail excessive flood damage, In consequence, the nation faces continuation of the dismal cycle of <br />losses, partial protection, further induced (though marginal) development, and more unnecessary <br />losses. Action can and should be taken to change this situation, by emphasizing the wide array of <br />nonstructural approaches that are available to mitigate flood losses, and by finding ways in which they <br />can be combined with existing structural projects to yield a more balanced approach, <br /> <br />Mitigation, successfully applied, contributes both to flood resiliency and to long-term sustainability. <br />A shortcoming of some federal mitigation strategies is that they are based on solving a problem only <br />after a property has been damaged, Although this approach ensures that efforts are applied to actual <br />problem areas, for mitigation to be cost-effective and practical we must also carry it out in non- <br />disaster settings. Using disaster assistance programs or flood insurance claim payments for mitigation <br />is an important step, but it is only one relatively narrow and rare opportunity. Other strategies and <br />techniques, like those described below, need to be considered. Many of these recommendations can <br />be implemented by reallocating the resources already at hand. <br /> <br />NONSTRUCTURAL MEASURES <br /> <br />Nonstructural mitigation measures are efforts to manage the use of floodprone land so as to curb <br />damage from the flooding that can normally be expected to occur. Support for this approach requires <br />an appreciation of a larger picture than that sometimes evidenced by promoters of structural <br />measures, Nonstructural techniques are a higWy effective, low-cost method of damage prevention that <br />would greatly benefit from an institutionalized fostering of common sense instead of the current <br />subsidization of unwise behavior. For example, channels and levees often are built to contain river <br />flows, but these structures cut off human access to the river and also can result in unexpected-and <br />potentially catastrophic---{\amage when the structures are breached or overtopped. A more balanced <br />approach would be to build the levee, but site it farther away from the riverbank and complement it <br />with nonstructural techniques such as purchasing and removing buildings that are too close to the <br />water, requiring other buildings (those in the flood fringe) to be elevated, and keeping the vacated <br />land in public ownership, This combination of structural and nonstructural measures will reduce flood <br />losses, preserve and maintain natural riparian functions, and provide for recreation and public open <br />space, <br /> <br />Nonstructural alternatives have been insufficiently utilized, There has been a general-and not wholly <br />inaccurate-perception that localities and individuals have preferred flood control structures to the <br />exclusion of almost all other avenues of loss reduction. But now many local sponsors understand that <br />there are alternatives to structures, especially those packaged to address multiple local needs such as <br />open space, economic development, recreational opportunities, and jobs. Good evidence of this was <br />the way communities and states flocked to the idea of buyouts of floodplain structures after the 1993 <br />floods and other major floods since then, Nonstructural projects, however, still lack clear authorities <br />and direction, <br /> <br />. Institutional arrangements for delivering nonstructural programs after a disaster (modeled after <br />those used after the Midwest floods) should be made permanent This has been done to a great <br />extent, but it should not be allowed to backslide, <br /> <br />Association of State Floodplain Managers <br /> <br />-7- <br /> <br />National Flood Programs in Review 2000 <br />