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.. -l '-~ ,---- Floods carl sed by overflow of Tenmile and Meadow Creeks within the corporate limits of Frisco were studied in detail. , The flooding from Jug Creek was studied by approximate methods. Approximate analyses were used to study those areas having a low developmeht potential or minimum flood hazards. The scope and \ - methods Ot study were proposed to and agreed upon by the Feder'al Insurance!Administration and the Town of Frisco. 2.2 I Those are.k.s studied by detailed methods were chosen with consi.dera- tion give~ to all proposed construction and forecasted development I through 1983. communitY!DescriPtion I The Town ~f Frisco is located in central Summit County, in central Colorado. I The town is a small mountain community situated just west of Dillon Reservoir and 30 miles east of Vail, Colorado. I According I to t,he 1970 census, the population of Frisco was 471 (Referenc~ 1), and it was estimated to be 1000 in 1978 by the County Pl~nning Department (Reference 2). The principal industry in Friscoiis tourism, with many residents employed in recreation- related bJsinesses. I I Tenmile c:teek flows easterly through Frisco and discharges into Dillon Re~ervoir. Tenmile Creek at Frisco has a drainage area of approxima~ely 94 square miles, all within Summit County. The western bqundary of the basin is formed by the Gore Mountain Range and Vail Pass, while the eastern boundary is the Tenmile Mountain Range. T6 the south, the basin is bounded by the Continental Divide. Vegetation along the channel through Frisco consists of sparse wodds and scattered brush. The channel bed is mostly cobble material Jith interspersed boulders. Meadow cr~ek flows easterly through Frisco into Dillon Reservoir, draining an area of approximately 6 square miles. In Frisco, I Meadow Creek is confined mainly to a constructed channel through residenti~l and commercial areas. Flood plain development in Frisco consists mainly of several condo- minium un~ts along Tenmile Creek. There are virtually no buildings in the fl90d plain along Meadow and Jug Creeks. I I The COrpOlJate limits of Frisco include an area of approximately 550 acres.1 Approximately 80 percent of the town has been or is being developed, while the remainder is sparsely wooded. Development consists Jainly of private residences and condominiums, with a few private bJsinesses. Average arlnual precipitation in Frisco is 16.7 inches (Reference 3). As ad average, approximately 9 inches of this precipitation is due to ,snowfall and 8 inches is due to rainfall. Average annual temperature in the area is 350F (Reference 4). 3