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1988. Coloratlo F10tJd Hazard Mitigation Plan (4IJI) e Floodplain Information Reports and 11 Special Flood Hazard Information Reports in Colorado. The Sacramento District initiated a study in 1984 to delineate the 100-year floodplain on the Colorado River from Glenwood Springs to DeBeque Canyon. The Omaha District is conducting two flood hazard studies in the South Platte River Basin in response to local requests during 1984, Permit Authority The corps, by law has the authority to issue Section 10 permits to cover construction, excavation and other related work in or over navigable waterways and Section 404 permits covering the discharge of dredged or fill material in all waters of the U.S. and adjacent wetlands. 3.2.4.4 U.S. Department of Commerce 3.2.4.4.1 National Weather Service The National Weather Service is responsible for 36-48 hour weather forecasting, issuing severe weather warnings and watches, flash flood warnings and watches, and flood wamings. e 3.2.4.5 3.2.4.5.1 U.S. Department of Transportation Federal Highway Administration The Federal Highway Administration provides highway construction grants to the slates and directs federal highway construction appropriations. It ensures that the construction and maintenance of highways buill with federal aid complies with existing regulations and directives. These regulations provide for the flooding of roadway embankments and bridge structures lo- cated in floodplains. This agency is also concerned with stream channel changes in /Ural areas and deten- tion facilities in urban areas, which affect highway routes. The design of its bridge projects occasionally involves nlShaping channels for short distances up- stream and downstream. The agency is involved with debris removal and erosion control during the con- struction stage, as well as channel cleaning as part of the maintenance of its projects. The Federal Highway Administration also provides funds to aid in the cost of maintaining traffic and rebuilding flood damaged high- way facilities on the federal aid system when such work is beyond the financial capability of the owner of the highway. It will also assist in surveying roadway damage in flood stricken areas. e 3.2.4,6 3,2.4.6.1 U.S. Department of the Interior U.S. Bureau of Reclamation The U.S. Bureau of Reciamation administers the fed- eral program in westem slates for water resource development and use, which provides multiple pur- pose projects furnishing fish and wildlife protection and recreation opportunities, water for farm irrigation, municipal, and industrial use, hydroelectric power, flood control, and other natural resource conservation benefits. The program was established by the Recla- mation Act of Congress in 1902. 3.2.4.6,2 U,S. Geological Survey Congress established the U.S. Geological Survey on March 3, 1879, to classify' public lands and examine the geological structure, mineral resources, and prod- ucts of the country. Over the years, other congres- sional acts have enlarged its duties and functions to include making geological and topographic maps, gauging streams, and determining water supplies of the United Stales. The survey can assist communities and slate agencies in collecting, developing, and com- puting basic data and information for floodplain engi- neering studies and investigations. Information available from the U.S. Geological Survey includes records of water gauge heights, discharge runoff, times of travel, sediment discharge, historic flood peaks, and inundated areas. Reports of magni- tude, frequency, and duration of flood flows are also kept. Flood prone areas subject to inundation by floods of approximately the 100-year frequency have been delineated on topographic maps for selected areas within Colorado and can be obtained through this agency. 3.2.4.6.3 U,S. Bureau of Land Management The Bureau of Land Management has district offices located in the 11 western slates and Alaska which are involved in land use planning for public lands. Each district office maintains a file of floodplain maps that are available for public inspection. 3.2.4.7 National Park Service The National Park Service is responsible for flood hazard mitigation in the following areas in Colorado: . Rocky MQuntain National Park . Mesa Verde National Park . Dinosaur National Monument . Colorado National Monument . Black Canyon of the Gunnison National Monu- ment ~pub Chapter 3 . 23 11281S810:51 PM