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In 1978, the Carter administration implemented an executive order (EO 11988) that provided standards for Federal projects within a floodplain. Basically, EO 11988 was an attempt to curtail federal projects from being built within the floodplain, with the floodplain being defined by the 100-year flood limits. The 100-year flood limit was established as a mapping limit for insurance purposes, but has evolved over the years to be interpreted by the public as a safety zone, beyond which flooding and the associated dangers are not very likely. Of course we all know and realize, this 100-year...

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Tagsfloodplain, 100-year flood, flood risk management, EO 13690,