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<br />LIMITED DETAIL FLOOD-INSURANCE STUDY <br /> <br />, <br />I <br />Glen Eden and Clar~ <br /> <br />Routt County <br /> <br />Colorado <br /> <br />September 1986 <br /> <br />streamflow-gaging station on Elk River at <br /> <br />, <br />, <br />Clark (09241000), located at the <br />! <br /> <br /> <br />PRINCIPAL FLOOD PROBL~S <br />! <br /> <br />, <br />, <br />Flooding problems in the communities of c1atk and Glen Eden are due to <br /> <br />overflow of Elk River. Elk River flows from theinortheast along the northwest <br />! <br /> <br />boundaries of the two communities. There are setera1 small tributaries that <br /> <br />enter the Elk River in the study reach. The only flooding source studied was <br /> <br />Elk River. The potential for flood damage alongiElk River is not great due to <br /> <br />the lack of development (see flood-prone area ma~). Elk River will overflow <br />! <br /> <br />Routt County road 58 during a 100-year flood. <br /> <br />The largest flood recorded (in 68 years) at!the U.S. Geological Survey <br /> <br />I <br />bridge on Routt County Road 129, occurred May 231 1984. The peak discharge <br />i <br />was 4,910 cubic feet per second resulting from s~owmelt. This flood has a <br /> <br />recurrence interval of greater than 100 years, o~ less than a 1 in 100 chance, <br /> <br />on the average, of occurring in any given year. iThe 1984 flood resulted in <br /> <br />, <br />minor overbank flooding causing minimal propertYidamages except for local <br /> <br />streambank erosion. <br />