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<br />Page 1 of4 I Issue Date: NOV 01 mo~ I Effective Date: JID'i 0 1 ZO04 I Case No,: 04-08-0494P I LOMR-APP <br /> ~ART~4- <br /> :i~VI:';"'k Federal Emergency Management Agency <br /> '~Ii}; <br /> ~ '~ Washington, D,C. 20472 <br /> ~ ($'.; <br /> (<1lVU si-G <br /> LETTER OF MAP REVISION <br /> DETERMINATION DOCUMENT <br /> COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST <br /> Boulder County NO PROJECT NEW TOPOGRAPHIC DATA <br /> Colorado HYDRAULIC ANALYSIS <br />COMMUNITY (Unincorporated Areas) <br /> COMMUNITY NO,: 080023 <br />IDENTIFIER Twomile Canyon Creek APPROXIMATE LATITUDE & LONGITUDE: 40' 02.555' N, 105'17.671' W <br /> SOURCE: USGS QUAORANGLE DATUM: NGVD 29 <br />FLOODING SOURCE(S) & Twomile Canyon Creek - from approximately 730 feet upstream to approximately 1,040 feet upstream of Lake Briar Drive <br />REVISED REACH(ES) <br /> SUMMARY OF REVISIONS <br />Effective Flooding: Zone A No Floodway No BFEs' <br />Revised Flooding: Zone AE Floodway BFEs <br />Increases: YES YES YES <br />Decreases: NONE NONE NONE <br />* BFEs - Base Flood Elevations <br /> ANNOTATED MAPPING ENCLOSURES ANNOTATED STUDY ENCLOSURES <br />TYPE: FIRM> NO.: 08013C0395 F Date: June 2,1995 DATE OF EFFECTIVE FLOOD INSURANCE STUDY REPORT: May 6. 1996 <br /> FLOODWAY DATA TABLE <br /> PROFILE: 363P <br />. FIRM - Flood Insurance Rate Map; ... FBFM - Flood Boundary and Floodway Map; *** FHBM - Flood Hazard Boundary Map <br /> DETERMINATION <br />This document provides the determination from the Department of Homeland Security's Federal Emergency Management Agency (FEMA) <br />regarding a request for a Letter of Map Revision (LOMR) for the area described above, Using the information submitted, we have <br />determined that a revision to the flood hazards depicted in the Flood Insurance Study (FIS) report andlor National Flood Insurance <br />Program (NFIP) map is warranted. This document revises the effective NFIP map, as indicated in the attached documentation, Please <br />use the enclosed annotated map panels revised by this LOMR for floodplain management purposes and for all flood insurance policies and <br />renewals in your community. <br />This detennination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If <br />you have any questions about this document, please contact the FEMA Map Assistance Center toll free at 1-877-336-2677 (1-877-FEMA MAP) or by letter <br />addressed to the LOMR Depot, 3601 Eisenhower Avenue, Alexandria, VA 22304. Additional information about the NFl? is available on our website at <br />htto:/lv.ww.fema.aov/nfio. <br /> ~e~ <br /> Kevin C. Long, CFM, Project Engineer <br /> Hazard Identification Section <br /> Mitigation Division <br /> Emeraencv Preoaredness and ResDOnse Directorate 102426 D.A04080494 1021AC <br />