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<br />. Page 10f5 I Issue Date: ~R 2 9 2004 I Effective Date: JUl 1 6 2004 I Case No,: 04-0S-010SP I LOMR-APP <br /> Follows Conditional Case No,: 03-0S-Q032R <br /> ~~T~ <br /> ~. Federal Emergency Management Agency <br /> I;.; <br /> :lo' ~ Washington, D.C, 20472 <br /> ~(-iND s\!.c <br /> LETTER OF MAP REVISION <br /> DETERMINATION DOCUMENT <br /> COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST <br /> Adams County CHANNELIZATION HYDRAULIC ANALYSIS <br /> Colorado CHANNEL RELOCATION HYDROLOGIC ANALYSIS <br />COMMUNITY (Unincorporated Areas) FILL NEW TOPOGRAPHIC DATA <br /> CULVERT <br /> COMMUNiTY NO,: OSOOOl <br />IDENTIFIER E-470 at Big Dry Creek - North Area Tributaries APPROXIMATE LATITUDE & LONGITUDE: 40' 0,012',104' 58,859' <br /> SOURCE: USGS QUADRANGLE' DATUM: NGVD 29 <br /> Mustang Run - from approximalely 2,200 feel upstream 10 approximalely 2,800 feel upstream of the confluence with Big Dry <br /> Creek and from Interstate Highway 25 (1-25) 10 approximately 800 feel upstream <br /> Sack Creek South - from approximately 1,600 feet upstream of the confluence with Sack Creek to the dual confluence of <br />FLOODING SOURCE(S) & Sack Creek South - North AJignment and Sack Creek South - South Alignment, located approximately 2,100 feet upstream <br />of the confluence wilh Sack Creek <br />REVISED REACH(ES) Sack Creek South - North Aiigrunent - from the confluence with Sack Creek South to approximately 900 feel upstream of 1-25 <br /> Sack Creek South - South Aiignment - from the confluence with Sack Creek South to approximately 600 feet upstream of 1-25 <br /> Short Run - from approximately 500 feet upstream of the confluence with Big Dry Creek to approximately 3,800 feet <br /> uostream of the Union Pacific Railroad <br /> SUMMARY OF REVISIONS <br />Effective Flooding: Zone A Zone X (shaded) <br />Revised Flooding: Zone A Zone X (shaded) <br />Increases: YES NONE <br />Decreases: YES YES <br />.BFEs Base Flood Elevations <br /> ANNOTATED MAPPING ENCLOSURES ANNOTATED STUDY ENCLOSURES <br />TYPE: FIRM' NO.: 08001C0030 G Date: August 16, 1995 NO REVISION TO THE FLOOD INSURANCE STUDY REPORT <br />TYPE' FIRM NO,' 08001C0035 G Dale: August 16, 1995 <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 and/or 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 infonnation 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 NFIP is available on our website at <br />htto://WvVW fema.aov/nfio. ...-J....., I. <br /> --.., <br /> '''' <br /> Doug Bellomo, P.E., CFM. Acting Chief <br /> Hazard Identification Section <br /> Mitigation Division <br /> Emeroenev Prenaredness and ResDonse Directorate 102426D.AU40801081021C <br />