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<br />, <br /> <br />,~. <br /> <br />l2-"2 <br /> <br />C)~ <br />Federal Emergency Management Agency <br />Washington, D.C. 20472 <br /> <br />c-7>=-- <br />._,<--'J <br /> <br />; <br /> <br /> <br />CERTIFIED MAIL <br />RETURN RECEIPT REQUESTED <br /> <br />IN REPLY REFER TO: <br />Case No.: ,94~08~14lP <br /> <br />The Honorable Betty J. Miller <br />Chairperson, Jefferson County Board <br />of Commissioners <br />100 Jefferson County Parkway <br />Golden, Colorado 80419 <br /> <br />Community: Jefferson County, <br />Colorado <br />Community No.: 080087 <br />Panels Affected: 0430 Band <br />0440 B <br /> <br />Effective Date of <br />This Revision: <br /> <br />NOV 02 1994 <br /> <br />102-I-A-C <br /> <br />Dear Ms. Miller: <br /> <br />This is in response to a request for a revision to the effective Flood <br />Insurance Study (FIS) and National Flood Insurance Program (NFIP) map for <br />your community. Specifically, this responds to a letter dated June 22, 1994, <br />from Mr. Dennis E. Arbogast, P.E., Project Manager, Wright Water Engineers, <br />Inc., regarding the effective FIS report and Flood Insurance Rate Map (FIRM) <br />for the unincorporated areas of Jefferson County, Colorado. Mr. Arbogast <br />requested that we revise the effective FIRM to show the effects of a culvert <br />located at the Braning property, approximately 5,100 feet upstream of South <br />Elk Creek Road along Elk Creek. <br /> <br />All data required to complete our review of this request were submitted with <br />Mr. Arbogast's letters dated June 22 and August 18, 1994, and with a letter <br />dated July 27, 1994, from Ms. Jeanie Rossillon, Design and Review Engineer, <br />Jefferson County Department of Highways and Transportation. All fees <br />necessary to process this Letter of Map Revision (LOMR) , a total of $1,640, <br />have been received. <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 I-percent probability of <br />being equaled or exceeded in any given year (base flood) along a reach of. Elk <br />Creek, from 4,910 feet upstream to 6,170 feet upstream of South Elk Creek <br />Road. The base (lOO-year) flood elevations (BFEs) increase immediately <br />upstream of the culvert by a maximum of 2 feet, and the Special Flood Hazard <br />Area increases in width by a maximum of 20 feet. These increases are <br />contained on the requester's property. However, due to map scale <br />limitations, the increase in floodplain width is not shown on the annotated <br />FIRM. <br />