22 Most Damaging Floods in Colorado

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Climate Variability and Uncertainty in Flood Hazard Planning in Colorado

Floods

22 Most Damaging Floods in Colorado
Date	Major Stream or Location	Deaths	Damages (In 1999 $)
May 1864	Cherry Creek at Denver	?	$ 6,000,000
July 1896	Bear Creek at Morrison	27	6,000,000
Oct. 1911	San Juan River near Pagosa Springs	2	6,000,000
July 1912	Cherry Creek at Denver	2	120,000,000
June 1921	Arkansas River at Pueblo	78	760,000,000
May 1935	Monument Creek at Colorado Springs	18	52,000,000
May 1935	Kiowa Creek near Kiowa	9	15,000,000
May 1942	South Platte River Basin	?	8,500,000
May 1955	Purgatoire River at Trinidad	2	36,000,000
June 1957	Western Colorado	?	18,000,000
June 1965	South Platte River at Denver	8	2,200,000,000
June 1965	Arkansas River Basin	16	205,480,000
May 1969	South Platte River Basin	0	21,500,000
Sept. 1970	Southwest Colorado	0	13,200,000
May 1973	South Platte River at Denver	10	388,800,000
July 1976	Big Thompson River in Larimer County	144	85,200,000
July 1982	Fall River at Estes Park	3	49,080,000
June 1983	North Central Counties	10	26,250,000
May-June 1984	Western and Northwestern Counties	2	46,500,000
May-June 1993	Western Slope	0	2,140,000
July 1997	Fort Collins and 13 Eastern Counties	6	169,367,000
May-June 1999	Colorado Springs and 12 Eastern Counties	0	100,000,000 (est.)
TOTALS		352	$4,486,577,000

Table info from: Kistner and Associates, 1999. Flood Hazard Mitigation Plan for Colorado. Colorado Water Conservation Board, Denver, CO.

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