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<br />Page 1 0,'5 I Issue Date: ~~Ep 2 0 20111 ~I Effective Date: IMJf? I c;ase No.: 04-08-0410P I LOMR-APP <br /> h'^RT,,~ <br /> :Q~..t>:;- <br /> ~.~ Federal Emergency Management Agency <br /> "f,~t <br /> ~~ ~~ Washington, D.C. 20172 <br /> -l-iND s~G <br /> LETTER OF MAP REVISION <br /> DETERMINATION DOCUMENT <br /> COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST <br /> Weld County BRIDGE HYDROLOGIC ANALYSIS <br /> Colorado CHANNELIZATION HYDRAULIC ANALYSIS <br />COMMUNITY (Unincorporated Areas) CULVERT NEW TOPOGRAPHIC DATA <br /> COMMUNITY NO.: 080266 <br />IDENTIFIER Tn Area APPROXIMATE LATITUDE & LONGITUDE: 40.12, -104.93 <br /> SOURCE: USGS QUADRANGLE DATUM: NAD 83 <br /> Tn-Area Drainageway - from approximately 200 feet upstream of County Road (Grant Avenue) to just downstream of County <br />FLOODING SOURCE(S) & Road 14 <br />REVISED REACH(ES) Shallow Flooding Areas - from the confluence '.\lith the Tn-Area Drainageway to approximately 1,100 feet upstream in the <br /> right overbank <br /> SUMMARY OF REVISIONS <br /> Tri~Area Drain30ewav Shallow Floodin~ Areas <br />Effective Flooding: Zone AE 8FEs' Floadway Effective Flooding: Zone AE <br />Revised Flooding: Zone X (unshaded) 8FEs Floodway Revised Flooding: Zone AO <br />Increases: NONE YES YES Increases: NONE <br />Decreases: YES YES YES Decreases: NONE <br />* BFEs Base Flood Elevations <br /> ANNOTATED MAPPING ENCLOSURES ANNOTATED STUDY ENCLOSURES <br />TYPE: FIRM' NO.: 0802660863 C Date: September 28. 1982 DAlE OF EFFECTlVE FLOOO INSUfW\ICE STUDY REPORT: September 22, 1999 <br />TYPE: FBFM" NO.: 0802660011 Date: September 28. 1990 FLooDWAY DATA TABLE <br /> PROFILES: 36P Ihrough 40P <br />. FIRM - Flood Insurance Rate Map; ** FBFM - Flood Boundary and Floodway Map; U. FHBM - Flood Hazard Boundary Map <br /> DETERMINATION <br />This document provides the determination from the Department of Homeiand 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 Fiood 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 determination 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-FEt-AA MAP) or by letter <br />addressed to the LOMR Depot. 3601 Eisenhower Avenue, Alexandria, VA 22304. Additional information about the NFIP is available on our website at <br />httO:/lWNW. fema.oov/nfio. <br /> ~e~ <br /> Kevin C. Long, CFM, Project Engineer <br /> Hazard Identification Section <br /> Mitigation Division <br /> Emernencv Prenaredness and ResDonse Directorate 102426 DA04080410 1021AC <br />