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<br />July 29, 1990 <br /> <br />Local Drainage at Denver. <br /> <br />Severe thunderstorms along the front range in an area <br />extending from Castle Rock north to Greely caused flooding <br />at many intersections in Denver. Flooded intersections <br />included E. Colfax and Peoria Streets, Tower and Chamber <br />Roads; S. Buckley Roads. and E. Dartmouth Avenue.; E. <br />13th ave. and Potomac; 1-25 and E. Evans; and E. <br />Hampton avenue. All street flooding appeared to have <br />been cf\\1sed by poor storm water drainage facilities. <br /> <br />Sourccs: Denver Post 7/30/90 <br /> <br />August 6, 1990 <br /> <br />Brush Creek at Brush <br /> <br />Rains dropped 4.25 inches of water in less than 24 hOUTS. <br />Initial damage was estimated at $100,000 however this <br />est.imate did not include basements that were flooded with <br />3 to 5 feet of wat.er. <br /> <br />Source: Denver Post 8/07/90 <br /> <br />August 11, 1990 <br /> <br />Black Tiger Gulch in Boulder County <br /> <br />2.5 inches of rain fell in 2 hours causing Black Tiger Gulch, <br />a tributary of Bou IdeI' Creek, to flood. Rocks, silt, fire <br />debris from last yeaTs forest fire and 6 inches of water <br />coveTed a 45 foot span of Highway 119 leading to <br />Nederland. Witnesses report that flooding of this area has <br />been continuous since the 1989 Black Tiger Fire that left <br />areas of the watershed bare of vegetation. <br /> <br />Sources: David M. Day, Department of Highways Draina.ge <br />Structure Flood Summa.ry <br />