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. . . WHEREAS, 100-year peak discharges within EI Paso County for the streams listed in Table 2 (as listed in said new Hydrology Addendum dated May 2001) were developed by the consulting firm of Montgomery Watson utilizing the latest available CWCB regional regression equations entitled "Guidelines for Determining 1 OO-year Flood Flows for Approximate Floodplain in Colorado"; and WHEREAS, a procedure for determining hydrology information in EI Paso County and the incorporated communities for the approximate floodplains as listed in Tabie 4. and for other approximate floodplains of reservoirs, lakes, ponds, local storm drainage areas, and overflows from irrigation ditches and canals has not been established by the CWCB; and those floodplain areas may not be designated as approximate floodplain information without a procedure for estimating 100-year peak flows, and therefore the local government should require that a detailed hydrologic and hydraulic study be performed by a professional engineer and submitted by the developer or the development proponent prior to any floodplain development in those cases; and WHEREAS, hydraulic determinations for the approximate floodplains listed in Tables 3 and 4 were prepared by FEMA using approximate hydraulic techniques approved 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, Montgomery Watson staff identified numerous minor errors and inconsistencies during the review of said Flood Insurance Study, however there were no major problems found with the study that would inhibit CWCB designation and approval; and WHEREAS, EI Paso County and incorporated communities should continue to regulate new development and construction in floodplain areas on a case-by-case basis based on the information presented in said new Flood Insurance Study and Hydrology Addendum, or based on the best available floodplain information that is accessible to the County; and DESIGNATION AND APPROVAL ACTION NOW, THEREFORE, BE IT RESOLVED by the Colorado Water Conservation Board in regular meeting assembled in Northglenn, Colorado, this 24th day of January 2001, that it does hereby designate and approve as detailed floodplain information the 100-year floodplain delineations as listed in Table 2 for EI Paso County and incorporated areas contained in said new Flood Insurance Study dated August 23, 1999 and said new Hydrology Addendum dated May 2001, with included Flood Insurance Rate Maps; and BE IT FURTHER RESOLVED that the Board does hereby designate and approve as approximate floodplain information the 100-year floodplain delineations as listed in Table 3 for EI Paso County and incorporated areas contained in said new Flood Insurance Study dated August 23, 1999 and said new Hydrology Addendum dated May 2001, with included Flood Insurance Rate Maps; and 6