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<br />B. Information on Previous Floods <br /> <br />In addition to the information presented in Tables 3 and 4, the information summarized <br />below documents historic flooding in Colorado due to the types of flooding previously <br />discussed. <br /> <br />General Rain Floods <br />The October 5, 1911 floods in Pagosa Springs and Durango were a result of a general <br />rain system over tributaries of the San Juan River Basin in southwestern Colorado. <br /> <br />This flood event resulted in two deaths and damages of approximately $7.4 million (2007 <br />dollars). The damaging floods of June 1965 in the Denver metro area were a result of <br />heavy to torrential rainfall over large portions of the South Platte River Basin that lasted <br />several days. <br /> <br />Thunderstorm Floods <br />The widely publicized Big Thompson Canyon flood disaster of July 31, 1976 was a result <br />of an intense thunderstorm cell that dropped up to 10 inches of rain in a few hours over <br />the basin. <br /> <br />On May 15 and 16, 1993, a thunderstorm-induced flood event occurred at Rifle on Rifle <br />and Government Creeks. As is usually the case, the highest flows in the shortest period <br />of time occurred when an estimated l25-year flood discharge impacted Rifle. Structures <br />and vehicles in harm's way suffered damages in excess of $200,000. <br /> <br />On June 17, 1993, a flash flood occurred on Shooks Run in Colorado Springs. Damages <br />were confined to a mobile home park on the creek's edge with losses estimated at $1 <br />million. <br /> <br />In July 1993, the Town of Otis and the unincorporated area of Cope in Washington <br />County and the City of Yuma in Yuma County experienced a weekend flood event as a <br />result of three consecutive days of thunderstorms. Several homes suffered damages and <br />roadways were inundated with loss in excess of $650,000. In Otis, a flood control and <br />storm drainage proj ect protected the northern half of town. <br /> <br />On August 10, 1993 flash floods occurred on several creeks in Delta County. Two roads <br />were washed out and a flood fight was conducted with sandbags on Robideaux Creek near <br />the Department of Corrections Detention Facility. <br /> <br />18 <br />