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<br />51! <br /> <br />. <br /> <br /> <br />Federal Emergency Management Agency <br />Washington, D.C. 20472 <br /> <br />CERTIFIED MAIL <br />RETURN RECEIPT REQUESTED <br /> <br />IN REPLY REFER TO: <br />Case No.: 9Ji';~$;';086P. <br /> <br />The Honorable Linda Morton <br />Mayor, City of Lakewood <br />445 South Allison Parkway <br />Lakewood, Colorado 80226 <br /> <br />Community: City of Lakewood, <br />Colorado <br />Community No.: 085075 <br />Panel Affected: 0005 C <br />Effective Date of <br />'!!tis Revision: MAY 23 1994 <br /> <br />102-I-A <br /> <br />Dear Mayor Morton: <br /> <br />This is in response to a request for a revision to the National Flood <br />Insurance Program (NFIP) map for your community. Specifically, this responds <br />to a letter dated February 22, 1994, from Mr. Dennis E. Arbogast, P.E., <br />Project Manager, Wright Water Engineers, Inc., regarding the effective Flood <br />Insurance Rate Map (FIRM) for the City of Lakewood, Colorado. Mr. Arbogast <br />requested that we .revise the effective FIRM to show the effects of updated <br />topographic information, removal of a single culvert, installation of a five- <br />cell box culvert, and construction of a floodwall at the upstream side of <br />West 20th Avenue along the east side of Lena Gulch. <br /> <br />All data required to complete our review of this request were submitted with <br />letters dated February 22 and April 8, 1994. <br /> <br />Because this Letter of Map Revision (LOMR) shows the effects <br />sponsored flood-control project that reduces flooding <br />development, fees were not assessed for the review. <br /> <br />of a publicly <br />to existing <br /> <br />We have completed our review of the submitted data and the flood data shown <br />on the effective FIRM, and have revised the FIRM to modify the elevations and <br />floodplain boundary delineations of a flood having a l-percent probability of <br />being equaled or exceeded in any given year (base flood) along Lena Gulch <br />from the Maple Grove Reservoir upstream to approximately 1,700 feet upstream <br />of West 20th Avenue. <br /> <br />As a result of updated topographic information, specifically, the modeling of <br />the Rocky Mountain Ditch Flume downstream of West 20th Avenue, base (lOO- <br />year) flood elevations (BFEs) and the Special Flood Hazard Area (SFHA) are <br />increasing. As a result of the removal of a single culvert, installation of <br />a five-cell box culvert, and construction of a floodwall, BFEs and the SFHA <br />are decreasing from West 20th Avenue to approximately 1,700 feet upstream of <br />West 20th Avenue. <br />