FLOOD11631 (2) - Laserfiche WebLink

1.0 INTRODUCTION 1.1 Purpose This report was prepared to guide local officials in planning the use and regulation of thn ~loodplain areas such that flood hazards and future flood damages are minimized. It includes information o~ historical floods, existing factogs which influence the flood hazard, and the nature and extenr of probable future floods. The report data consist of floodp~ain delineation maps showing the approximate 100-year flood boundary. A supplement to this report in the form of a technbcal addendum includ~s the supporting engineering and hydrologic data which may also be used in the location and design of roads, bridges and channel modifications. 1.2 Authorization Z'his report was prepared by the Calorado Water Conserv~tion Board at the request of Costilla County. The Board's power and duty is... "...to devise and formulate methods, means and plans for bringing about the greater utilization of the waters of the stat~ an~ the prevention of flood damages therefrom and to designate and approve storm or floadway runoff channels or basins, and to make such designations available to legislative bodies of cities and incorporated towns; to county planninq commissions; and to boards of adjustment of cities; incorporated towns; and counties of this state..." as stated in Section 37-60-106(1)(c) of the Colorada Revi~ed statutes. The legislative bodies of local jurisdictions (covnties/towns) may provide zoning regulations... "...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 oz basin has been designated and approved by the Colorado ~ater Conservation Board, in order to lessen or avoid the hazards to persons and damage to property resulting from the accumulation of storm or f loodwate.rs . . . " -1-