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<br /> <br />Federal Emergency Management Agency <br />Washington, D.C. 20472 <br /> <br />CERTIFIED MAIL <br />RETURN RECEIPT REQUESTED <br /> <br />IN REPLY REFER TO: <br />Case No.: 98-08-195P <br /> <br />RECEIVED <br />MAR 2 7 1998 <br /> <br />Colorado Water <br />Conservation Board <br /> <br />The Honorable Michelle Lawrence <br />Chairperson <br />Jefferson County Board of Commissioners <br />100 Jefferson County Parkway, Suite 5500 <br />Golden, Colorado 80419 <br /> <br />Community: Jefferson County, Colorado <br />Community No.: 080087 <br />Panel Affected: 0380 C <br />Effective Date of MAR 2 0 1998 <br />This Revision: <br /> <br />102-D-A <br /> <br />Dear Ms. Lawrence: <br /> <br />This responds to a request that the Federal Emergency Management Agency (FEMA) revise the effective <br />Flood Insurance Rate Map. (FIRM) and Flood Insurance Study (FIS) report for your community in <br />accordance with Part 65 of the National Flood Insurance Program (NFIP) regulations. In a letter dated <br />February 18, 1998, Mr. Dave Berwanger, JR Engineering, Ltd., requested that FEMA revise the FIRM <br />and FIS report to show the effects of more detailed topographic information and placement of fill along the <br />north bank of Lilley Gulch from approximately 1,445 feet downstream to approximately 50 feet <br />downstream of South Pierce Street. This request follows up on a Conditional Letter of Map Revision <br />issued on July 11, 1995. <br /> <br />All data required to complete our review of this request were submitted with letters from Mr. Berwanger. <br /> <br />We have completed our review of the submitted data and the flood data shown on the effective FIRM and <br />FIS report. We have revised the FIRM and FIS report to modify the elevations and floodplain boundary <br />delineations of the flood having a I-percent chance of being equaled or exceeded in any given year (base <br />flood) along Lilley Gulch. As a result of the modifications, the base flood elevations (BFEs) for Lilley <br />Gulch decreased and the width of the Special Flood Hazard Area (SFHA), the area that would be inundated <br />by the base flood, decreased. The modifications are shown on the enclosed annotated copies of FIRM <br />Panel(s) 0380 C and Profile Panel(s) 225P and 226P. This Letter of Map Revision (LOMR) hereby revises <br />the above-referenced panel(s) of the effective FIRM and the affected portions of the FIS report, both dated <br />July 4, 1989. <br /> <br />The modifications are effective as of the date shown above. The map panel(s) as listed above and as <br />modified by this letter will be used for all flood insurance policies and renewals issued for your community. <br /> <br />The following table is a partial listing of existing and modified BFEs: <br /> <br />Location <br /> <br />Existing BFE <br />(feet)' <br /> <br />Modified BFE <br />(feet)' <br /> <br />Approximately 1,400 feet downstream of South Pierce Street <br />Approximately 80 feet downstream of South Pierce Street <br />Just upstream of South Pierce Street <br /> <br />5,446 <br />5,468 <br />5,475 <br /> <br />5,446 <br />5,467 <br />5,475 <br /> <br />*Referenced to the National Geodetic Vertical Datum, rounded to the nearest whole foot <br />