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<br />Page 1 of 6 I Issue Date: OCT 3 0 2006 I Effective Date:' FEB 2 8 2007 I Case No.: 06-08-B252P I LOMR-APP <br /> - <br /> 18, Federal Emergency Management Agency <br /> ~ ~ Washington, D.C. 20472 <br /> ~~<1ND Si.~ <br /> - <br /> LETTER OF MAP REVISION <br /> DETERMINATION DOCUMENT <br /> COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST <br /> Town Of Lyons NO PROJECT FLOODWAY <br /> Boulder County HYDRAULIC ANALYSIS <br /> Colorado HYDROLOGIC ANALYSIS <br /> NEW TOPOGRAPHIC DATA <br />COMMUNITY <br /> COMMUNITY NO.: 080029 <br />IDENTlAER Lyons Valley Park APPROXIMATE LATITUDE & LONGITUDE: 44.221, -105.266 <br /> SOURCE: USGS QUADRANGLE DATUM: NAD 27 <br /> ANNOTATED MAPPING ENCLOSURES ANNOTATED STUDY ENCLOSURES <br />TYPE: FIRM* NO.: 08013C0232 F DATE: June 2, 1995 DATE OF EFFECTIVE FLOOD INSURANCE STUDY: October 4,2002 <br />TYPE: FIRM" NO.: 08013C0234 F DATE: June 2,1995 PROFILES: 269P, 269P(a), 270P, 271P, 272P, 273P <br /> FLOODWAY DATA TABLE: 5 <br /> SUMMARY OF DISCHARGES TABLE: 4 <br />Enclosures reflect changes to flooding sources affected by this revision. <br />" FIRM - Flood Insurance Rate Map; "" FBFM - Flood Boundary and Floodway Map; *** FHBM - Flood Hazard Boundary Map <br /> FLOODING SOURCE(S) & REVISED REACH(ES) See Page 2 for Additional Flooding Sources <br />NORTH ST. VRAIN CREEK - from approximately 1,700 feet downstream to approximately 6,300 feet upstream of Fifth Avenue <br /> SUMMARY OF REVISIONS <br />Flooding Source Effective Flooding Revised Flooding Increases Decreases <br />NORTH ST. VRAIN CREEK Zone AE Zone AE YES YES <br /> Floodway Floodway YES YES <br /> BFEs" BFEs YES YES <br /> Zone X (shaded) Zone X (shaded) YES YES <br />" BFEs - Base Flood Elevations <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 determined that <br />a revision to the flood hazards depicted in the Flood Insurance Study (FIS) report and/or National Flood Insurance Program (NFIP) map is <br />warranted. This document revises the effective NFIP map, as indicated in the attached documentation. Please use the enclosed annotated map <br />panels revised by this LOMR for floodplain management purposes and for all flood insurance policies and 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 you have <br />any questions about this document, please contact the FEMA Map Assistance Center toll free at 1-877-336-2627 (1-877 -FEMA MAP) or by letter addressed to the <br />lOMR Depot, 3601 Eisenhower Avenue. Alexandria, VA 22304. Additional Information about the NFIP is available on our website at http://www.fema.gov/nfip. <br /> Kevin C. Long, CFM, Project Engineer <br /> Engineering Management Section <br /> Mitigation Division 109770 10.3.1.0608B252 102-I-A-C <br />