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<br />~o FLOOD <br />",?- (I <br />!~\ <br />~ lID i2 <br />o 0 <br />1-~ -"c,'- <br />&<In . 1':)'" <br /> <br />- <br />. -~ <br /> <br />Board of Directors <br /> <br />Executive Committee: <br /> <br />:1 <br /> <br />Cathy Reynolds N <br />Chairman :il <br />City of Denver ~ <br />Uncia Morton ~ <br />Chairman Pro.Tem is <br />City of lakewood ~ <br />'" <br />Robert A. Christensen ~ <br />Secretary m <br />Douglas County a <br />John Slone <br />Treasurer ~ <br />Jefferson County rn <br />i1 <br />Dennis Reynolds ::I: <br />Member ~ <br />City of UttIeton ~ <br />al <br />Members: ~ <br /> <br />I <br /> <br />Carolyn Buchholz <n <br />City of Lafayette ~ <br />Margaret Carpenter ~ <br />City of Thornton ~ <br />Paul Danish . <br />Boulder COunty <br />BlII Himmelmann ~ <br />City 01 Denver ~ <br />~ <br />'" <br />B. H. Hoffmaster ~ <br />Engineer ~ <br />Fidel Montoya u.; <br />City of Denver . <br />Edna Mosley ~ <br />City of Aurora ~ <br />Deborah Ortega ; <br />City of Denver (;S <br />w <br />Art Parton 5 <br />Engineer it <br />w <br />Mary Poe ~ <br />Town of Morrison I- <br />Elaine Valente <br />Adams County <br />Debra Vickrey <br />Arapahoe County <br /> <br />. <br /> <br />. <br /> <br />17'"''"'' '_ <br />-. ~" ,'L... ~ ~ <br /> <br />L. Scott Tucker, Executive Director <br /> <br />.SEr I.q , <br />I....... ; <br />C%rac'ol' <br />Ccnseivafion'~; '.'r <br />ooard <br /> <br />September 17,1997 <br /> <br />Michael K. Buckley, P.E., Chief <br />Hazard Identification Branch <br />Mitigation Directorate <br />Federal Emergency Management Agency <br />Washington, D.C. 20472 <br /> <br />Dear Mike: <br /> <br />Weare in receipt of a letter addressed to you from the Acting City Manager of the City of <br />Boulder, CO, dated September 4, 1997. The subject of the letter is alleged errors and <br />omissions in an Urban Drainage and Flood Control District sponsored study, "Flood <br />Hazard Area Delineation, South Boulder Creek" dated July, 1986, by Greenhorne & <br />O'Mara. This is to advise you that we are overwhelmingly in disagreement with the tone <br />and content of this letter. <br /> <br />While we do not intend to refute the allegations in Boulder's letter point by point at this <br />time, there are a couple of facts we would like to call to your attention. First of all, by <br />opposing the upgrading and FEMA certification of the existing levee the City of Boulder <br />is stating that it prefers a non-FEMA certified levee with freeboard of as little as 1.6- feet <br />above the 1 DO-year water surface profile over the alternative of a FEMA certified levee <br />with a uniform 4-feet of freeboard above the 1 DO-year water surface profile. A$ the <br />Boulder letter points out in Item NO.4 of Attachment D, "the excavated ground behind <br />the berm has a positive slope passing drainage away from the berm to the north. The <br />lowered elevation of the land behind the berm actually creates the potential to rapidly <br />divert South Boulder Creek floodwaters more directly into the City neighborhoods to the <br />north." In spite of this statement the Acting City Manager asserts that they do not want <br />the levee freeboard increased and the levee FEMA certified. <br /> <br />The staffs from both the Colorado Water Conservation Board and the Urban Drainage and <br />Flood Control District have gone on record in support of modification of the levee to <br />obtain FEMA certification in order to increase the flood protection of the citizens of the <br />City of Boulder. The Division of Minerals and Geology within the Colorado Department <br />of Natural Resources has issued the necessary Technical Revision Approval to the <br />operator of the mining operation to make the modifications to the levee which are <br />necessary to obtain the 4-feet of freeboard and to proceed with FEMA certification of the <br />levee. This approval by the Division of Minerals and Geology was over the objections of <br />the City of Boulder. <br /> <br />lIloodlbiU\tanp <br />