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e e e LOCAL REQUEST FOR DESIGNATION WHEREAS, staff members from Montgomery Watson met with the Montezuma County officials via telephone regarding floodplain management activities and the CWCB's designation and approval process for floodplain information; and WHEREAS, Montezuma County did not have any specific concerns or requests regarding said floodplain information and therefore concurred with the proposed designation action and agreed to transmit a letter to the CWCB staff requesting designation by the Board; and c.R.S. AUTHORITY WHEREAS, Section 37-60-106(1)(c), Colorado Revised Statutes, requires the Colorado Water Conservation Board to assist in the prevention of floods and flood damages therefrom; and WHEREAS, Sections 31-23-301 and 30-28-111, Colorado Revised Statutes, provide that legislative bodies of local jurisdictions may provide zoning regulations for land uses on or along any storm or floodwater runoff channel or basin only after designation and approval by the Colorado Water Conservation Board; and WHEREAS, Section 37-60-106(1)(c), Colorado Revised Statutes, directs the Colorado Water Conservation Board to designate and approve storm or floodwater runoff channels or basins and to make such designations available to legislative bodies of local jurisdictions; and COMPLIANCE WITH CWCB TECHNICAL STANDARDS WHEREAS, the detailed floodplain information, as listed in Table I, in said new Floodplain Information Report and Hydrology Addendum with included maps, meets all of the requirements listed under the Board's "Rules and Regulations for the Designation and Approval of Floodplains and of Storm or Floodwater Runoff Channels in Colorado" (2 CCR 408-1); and WHEREAS, the approximate riverine floodplain information, as listed in Table 2, in said new Floodplain Information Report and Hydrology Addendum with included maps meets all of the requirements listed under the Board's "Rules and Regulations for the Designation and Approval of Floodplains and of Storm or Floodwater Runoff Channels in Colorado" (2 CCR 408-1); and WHEREAS, 100-year peak discharges within Montezuma County for the streams listed in Table 2 (except for those streams with drainage areas that are too small, as listed in said new hydrology addendum dated November 2000) were developed by the consulting firm of Montgomery Watson utilizing the latest available CWCB regional regression equations entitled "Guidelines for Determining 100-year Flood Flows for Approximate Floodplain in Colorado"; and WHEREAS, a procedure for determining hydrology information in Montezuma County for approximate floodplains ofreservoirs, lakes, ponds, local storm drainage areas, and overflows from 3