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<br />, " <br /> <br />.) <br /> <br />.) <br /> <br />e) <br /> <br />I: 1988 THE PUBLIC RECORD CORPORATION <br />A.LL RIGHTS RESERVED <br /> <br />lICRI,I-88 <br /> <br />Page 19 <br /> <br />Rule 7. Criteria for DetermininQ When the Effects of Dams o~ <br />Floods May Be Taken Into Account: <br /> <br />A. Flood Control Dams. If a publ icly owned, operated and <br />maintained dam is specifically designed and operated, either in <br />whole or in part, for flood control purposes, then its effects <br />shall be taken into consideration when delineating the <br />floodplain below such a dam. The effects of the dam shall be <br />based upon the iOO-year flood under foreseeable development, <br />with full. credit to be given to the diminution of peak flood <br />discharges whi~h would result from normal dam operating <br />procedures. <br /> <br />B.. Non-Flood Control Dams. If a dam is not specifically <br />designed and operated, either in whole or in part, for flood <br />contro 1 purposes, then its effects, even if it prov ides <br />inadvertent flood routing capabilities which reduce the <br />IOO-year flood downstream, shall not be taken into account and <br />the delineation of the floodplain below such a dam shall be <br />based upon the IOO-year flood that would occur absent the dam. <br />However, if adequate assurances have been obtained to preserve <br />the flood routing capabilities of such a dam, then the <br />delineation of the floodplain below the dam may, but. need not, <br />be based on the assumption that the reservoir formed by the dam <br />will be filled to the elevation of the dam's emergency spillway. <br /> <br />C. AdeQuate Assurances. For the purposes of rule 7.B, "adequate <br />assurances" shall,. at a minimum, include appropriate <br />recognition in the community's.. adopted master pl an of: (1) <br />the flood routing capability of the reservoir, as shown by a <br />comparison of the IOO-year floodplain. in plan and profile with <br />and without the dam in.place in order that the public may be <br />made aware of the potential change in level of flood protection <br />should the reservoir. flood routing capabil ity be lost and (2) <br />the need to preserve that flood routing capability by whatever <br />means available should the reservoir owners attempt to make <br />changes which would decrease the flood routing capability. <br /> <br />In addition, an agreement must be executed between the Board <br />(or the Urban Drainage .and Flood Control .District on behalf of <br />1he Board if .the floodplain below the dam is in their <br />jurisdiction), ind .the affected local governments which <br />expresses the intent of. the parties to assure that the flood <br />routing capabilities of the reservoir will be maintained by <br /> <br /> <br />THE CODE OF COLORADO REGULATIONS <br /> <br />2 CCR 408-1 <br />