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I I I I I I I I I I I I I I I I I I I INTRODUCTIOll Authorization This report was authorized by the Colorado Water Conservation Board in joint sponsorship with Meeker, Colorado and Rio Blanco County. The Board's power and duty is If. . . to devise and formulate methods, means and plans for bringing about the greater utilization of the waters of the state and the prevention of flood damages therefrom and to designate and approve storm or floodway runoff channels or basins, and to make such designations available to legislative bodies of cities and incorporated towns; to county planning commissions; and to boards of adjustment of cities; incorporated towns; and counties of this state. . .If as stated in Section 37-60-106 (1) (c) of the Colorado Revised Statutes 1973. The cities, incorporated towns, and counties within the study area may provide zoning regulations If. . . to establish, regulate, restrict, and limit such uses on or along any storm or floodwater runoff channel or basin, as such storm or floodwater runoff channel or basin has been designated and approved by the Colorado Water Conservation Board, in order to lessen or avoid the hazards to persons and damage to property resulting from the accumulation of storm or floodwaters. . .If as stated in Section 30-28-111 for county governments and Section 31-23-201 for muniCipal governments of the Colorado Revised Statutes 1973. Therefore, upon official approval of this report by tbe Colorado Water Conservation Board, the areas described as being inundated by the 100-year flood -2- (Intermediate Regional Flood) can be designated as flood hazard areas and their use regulated accordingly by the local agencies. Purpose and Scope This report was prepared to guide Rio Blanco County and Meeker officials in planning the use and regulation of the floodplain areas such that flood hazards and future flood damages are minimized. It includes information on historical floods, existing factors which influence the flood hazard, and the nature and extent of probable future floods. The report data includes flooded area maps delineating the 100-year flood boundary, flood profiles and floodplain cross sections showing the high water elevations for the 10-, SO-, 100- and SOo-year floods at selected reference points. A supplement to this report in the form of a technical addendum includes the supporting engineering and hydrologic data which may also be used in the location and design of roads, bridges and channel modifications. Acknowlegements The assistance and cooperation of the below listed agencies, firms, and organizations in addition to numerous private citizens in supplying information and data are appreciated and gratefully acknowledged. Colorado Water Conservation Board U.S. National Oceanic and Atmospheric Administration (NOAA) Weather Service U.S. Department of the Interior, Geological Survey Rio Blanco County Planning Commission The Town of Meeker, Colorado The Meeker Herald Aerial Photography and contour mapping were prepared by Merrick and Company and represent conditions on the gound as of May 12, 1976, the date of the aerial photography.