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<br />Page 1 of 5 /Issue Date: JAN 09 Z007 I Effective Date: MAY 1 0 Z007 I Case No.: 06-08-B537P I LOMR-APP <br /> Follows Conditional Case No.: 02-08-083R <br /> ,~?"RTA;;" <br /> 'Q~.-t: <br /> / 'ft .~ <br /> ';'c' - ""i'~ Federal Emergency Management Agency <br /> ~.':t. ....... ;>-.i <br /> f..' <br /> '~ ....} Washington, D.C. 20472 <br /> '.~ \)'>;-/ <br /> <-tN ~~c ..' <br /> "',. D, <br /> LETTER OF MAP REVISION <br /> DETERMINATION DOCUMENT <br />COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST <br /> City of Thornton BRIDGE FLOODWAY <br /> Adams County CHANNEL RELOCATION HYDRAULIC ANALYSIS <br /> Colorado CHANNELIZATION HYDROLOGIC ANALYSIS <br /> CULVERT NEW TOPOGRAPHIC DATA <br />COMMUNITY DETENTION BASIN <br /> EXCAVATION <br /> COMMUNITY NO.: 080007 <br />IDENTIFIER Quail Creek APPROXIMATE LATITUDE & LONGITUDE: 39.943, -105.009 <br /> SOURCE: Other DATUM: NAD 83 <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 /> !' <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) <br />Quail Creek - from the confluence with Big Dry Creek to Interstate Highway 25 <br />Big Dry Creek - from approximately 70 feet downstream to approximately 170 feet upstream of West 136th Avenue <br /> SUMMARY OF REVISIONS <br />Flooding Source Effective Flooding Revised Flooding Increases Decreases <br />Quail Creek Zone A Removed NONE YES <br /> Zone X (shaded) Removed NONE YES <br />McKay Lake Drainageway Zone A Zone A YES YES <br />Big Dry Creek Zone X (shaded) Zone X (shaded) YES NONE <br /> . <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 />- ~C? ~ <br /> Kevin C. Long, CFM, Project Engineer <br /> Engineering Management Section <br /> Mitigation Division 10977010.3.4.01.0608B537 102-I-C <br />