FLOOD07841 - Laserfiche WebLink

Home Browse Search

Bend, Kansas. On June 17, 1965 the Arkansas River peaked at an estimated 200,000 c.rs. at Holly. Related Reports and Information A number of reports regarding the Arkansas River and its tributaries have been published. Reports relevant to the flood control project at Las Animas area are listed in this secti.on. The Corps published an Interim Report on Review Survey for Flood Control, Arkansas River and Tributaries, Las Animas, Colorado, and Vicinity, dated August 1963. This report comprised the results of an investigation of flooding Emd allied problems in the vicinity of Las Animas. This report included information on the St,mdard Project Flood! and the Project Design Flood (PDF) for a proposed flood control project at Las Animas. The Corps prepared a Design Memorandum No. I, Hydrology, for the Las Animas Local Protection Project, Las Anima~, Colorado, dated September 1967. This report presented basic hydrologic information to be used in the development of the definite project pi.an for the Las Animas Local Protection Project. The Corps prepared a Design Memorandum No.2, General, for the Las Animas Local Protection Project, Las Animas, Colorado, dated August 22, 1968. This report presented detailed design information for all features of the Las Animas Local Protection Proj ec:t other than hydrology. The U.S. Department of Housing and Urban Development (HUD) prepared ancl published on December 28, 1973, an approximate floodplain map (Flood Hazard Boundary Map) for the City of Las Animas. This map showed a significant portion of the City as being in the 100-year floodplain and subject to the risk of flooding. Hydro Engineering Consulting Water Engineers, Pueblo, Colorado, prepared a Flood Hazard Study, City of Las Animas, Colorado, dated May 1975. The study and other information including copies of a Soil Conservation Service Filoodplain and Geologic Hazard Map, dated January 1971, and a US Geological Survey map showing Flood Prone areas was transmitted to the Board by letter of May 11,1976, from the Land Use Administrator, Bent COlmty. The Land Use Administrator requested approval of SCS Floodplain Map for Las Animas. The Board denied the request by letter of May 21,1976, on the basis that the information did not meet the Boards standards. IThe Standard Project Flood (SPF) and the Project Design Flood (PDF) are U.S. Army Corps of Engineers nomenclature. The Corps defines the SPF as a flood that would be exceeded only on rare occasions and in many instances defines 1he upper limit against which protection is sought. The Project Design Flood is the flood used to design the levees and may be less than the SPF. 3