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Last modified
1/26/2010 10:10:56 AM
Creation date
10/5/2006 4:42:56 AM
Metadata
Fields
Template:
Floodplain Documents
County
Prowers
Community
Holly
Stream Name
Arkansas River, Wild Horse Creek
Basin
Arkansas
Title
Floodplain Information Report
Date
6/1/1994
Prepared For
Holly
Prepared By
CWCB
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />of Engineers, Albuquerque District; Mark Stark, U,S. Army Corps of Engineers, John Martin <br />Dam Projects Office; Tony Garcia, Mayor of the Town of Holly; and W.O. Randle, Secretary <br />of the Holly Flood Control, Drainage and Sanitation District. <br /> <br />COMMUNITY CHARACTERISTICS <br /> <br />The Town of Holly occupies a position in the floodplain on the north bank of the <br />Arkansas River in southeastern Colorado. The Town lies at the confluence of Wild Horse Creek <br />a north bank tributary, Two Butte Creek a south bank tributary, and the Arkansas River. <br /> <br />Holly's population has been relatively stable and in 1993 was estimated as 870. The <br />Town is surrounded by agricultural land. U.S. Highway 50, State Highway 89, and the Atchison, <br />Topeka, and Santa Fe (AT&SF) Railroad pass through the Town. <br /> <br />The climate of Holly is typical of the semiarid plains region east of the Rocky Mountains <br />and is subject to violent thunderstorms resulting in severe flooding;. <br /> <br />PROBLEMS AND NEEDS <br /> <br />Flood History <br /> <br />Holly has suffered numerous floods from the Arkansas River and from Wild Horse Creek. <br />Wild Horse Creek originally flowed through the center of the Town. After 1951 the Holly Flood <br />Control, Drainage and Sanitation District (District) diverted Wild Horse Creek to the west side <br />of the Town. Channel capacity of the diversion was about 8000 c.f.s., a flow expected to occur <br />once in 9 years. <br /> <br />The reach of Wild Horse Creek subject to flooding that affects Holly lies west of the <br />Town. This reach extends about 2.0 miles upstream from its present confluenc(, with the <br />Arkansas River. <br /> <br />The reach of the Arkansas River subject to flooding that affects Holly extends downstream <br />about 1.6 miles past the present confluence with Wild Horse Creek to a point about 0.7 mile east <br />of the State Highway 89 bridge across the Arkansas River. Two Butte Creek emerges from the <br />south bank and joins the Arkansas River in this reach. <br /> <br />Holly experienced a devastating flood in Jlme 1965. On June 14, 1965, an inflow of <br />moist air from the Gulf of Mexico into northeastern New Mexico and eastern Colorado dammed <br />up against the Rocky Mountains beneath cold air aloft. The extremely unstable atmospheric <br />conditions produced phenomenal rains. In south('a~tern Colorado, there was an 18-inch storm <br />center over southern Prowers County and a 16-ineh storm center over eastern Prowers County. <br /> <br />Despite control of the Arkansas River at John Martin Reservoir located 54 river miles <br /> <br />2 <br />
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