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<br />Fact Sheet <br /> <br />.: -"" <br /> <br />"'. .)"f <br />'-~ <br /> <br />Floodplain Manaqement in Colorado <br />Prepared by the Colorado Water Conservation Board <br /> <br />'. <br /> <br />-/, <br /> <br />. <br /> <br />, <br /> <br />July 23, 1981 <br /> <br />. <br /> <br />1. Over the past two decades, the floodplain has been <br />identified or is currently being studied on approxi- <br />mately 2,660 miles of Colorado streams. This is only <br />about half of the streams that need to be studied <br />in the state. In the Front Range area alone, about <br />1,500 miles of hazardous mountain canyons still need <br />to be studied. <br /> <br />The Colorado Water Conservation Board has designated <br />and approved 175 floodplain studies since 1963, when <br />the program began. <br /> <br />2. In Colorado, the 100-year or 1 percent chance flood <br />has been selected as the standard for floodplain man- <br />agement. That is also the national standard, adopted <br />by the Federal Emergency Management Agency for its <br />National Flood Insurance Program. <br /> <br />3. Flood insurance is available to approximately 95 per- <br />cent of the residents of Colorado. <br /> <br />. <br /> <br />199 counties, cities, and towns are currently enrolled <br />in the National Flood Insurance Program <br /> <br />75 counties, cities, and towns are not currently enrolled <br />in the National "Flood Insurance Program and have <br />local floodplain conditions that warrant such enroll- <br />ment <br /> <br />52 cities and towns are not currently enrolled in the <br />National Flood Insurance program and do not have <br />sufficient flood hazard to require such enrollment <br /> <br />326 TOTAL counties, cities and towns in Colorado <br /> <br />4. Major Completed Federal Flood Control Projects <br />'J <br /> <br />5c _P~atte River Chatfield Reservoir <br /> <br />Date of Construction Flood Cont: <br />Construction Cost Benefits <br />1948 15,250,000 + 73,000,00 <br />1953 Tot. Fed. 14,770,000 $157,000,00 <br />Cost <br />1975 89,800,000 <br /> ._--_.~ --- ------- ---.--.--, <br />1977 45,000,000 <br />1979 +65,000,000 <br /> <br />Stream 'Name <br /> <br />~kansas River John Martin Reservoir <br /> <br />:herry Creek Cherry Creek Res. <br /> <br />'urgatoire River <br />lu~reek <br /> <br />Trinidad Reservoir <br /> <br />Bear Creek. Ha::>. <br /> <br />'These benefits were calculated after the June, 1965 ,floods, they represent <br />only benefits derived during the 1965 floods. ' ,.------- <br /> <br />"." .: <br />'. " <br /> <br /> <br />, ~. " <br /> <br />'. .~: }~;~,~~~:~;;tj <br />