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<br />Ms, Virginia Motoyama <br />July 24, 1992 <br />Page 3 <br /> <br />of old maps are recommended; the reVlSIOns would include corporate lirnits, streets, <br />correction of hydrologic or hydraulic mismatches between adjacent communities, and <br />utilization of existing floodplain data not included in the FrS, The second category includes <br />communities for which a new hydrologic and/ or hydraulic analysis is needed. That category <br />includes some communities for which no detailed analysis has been performed. <br /> <br />rn the Denver metropolitan area and in the Northern Front Range area we have <br />listed 25 communities for which the FrS' are out of date. There are incorporated <br />municipalities and unincorporated areas within the six Metro Area counties (Adams, <br />Arapahoe, Boulder, Denver, Douglas, and Jefferson Counties) and in Weld County, In each <br />of these counties (and in the municipalities within those counties) it would be possible to <br />make huge improvements to the FrS' without performing any new hydrologic or hydraulic <br />analyses, As you are aware, this matter was rai.st:d quite some time ago in a letter to your <br />predecessor (and now your immediate supervisor), Mr. Doug Gore. We still feel that it is <br />important that FrS' that are up to 15 years old b(~ updated to reflect urbanization that has <br />taken place and is currently taking place and to reflect readily available detailed floodplain <br />mapping prepared by other agencies, Attachment 4 discusses these 25 communities and <br />their restudy needs. <br /> <br />There are 12 more communities from various geographic regions of the state for <br />which we are recommending a restudy, Some or all of the streams in these communities <br />need to be studied for the first time, or they need to be restudied, The communities listed <br />by the regions in which they are located are: <br /> <br />Northern Front Range <br />Southern Front Range <br /> <br />Central and Northern <br />Mountains <br /> <br />Southwestern Mountains <br />Northwestern Colorado <br /> <br />Georgetown (Clear Creek) <br />Calhan (EI Paso) <br />Canon City (Fremont) <br />Fremont County <br /> <br />Avon (Eagle) <br />Gypsum (Eagle) <br />Eagle County <br />Blue River (Summit) <br />Breckenridge (Summit) <br />Silverthorne (Summit) <br />Telluride (San Miguel) <br />Glenwood Springs (Garfield) <br /> <br />Attachment 5 describes these 12 communities and their restudy needs. <br /> <br />1992 Priority List <br />