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Home My WebLink About20240318.tiffFederal Emergency Management AgencyRECEIVED E C E I V E D CERTIFIED MAIL RETURN RECEIPT REQUESTED The Honorable Kevin Ross Chair, Board of Commissioners Weld County 1150 O Street Greeley, CO 80631 Dear Kevin Ross: Washington, D.C. 20472 January 31, 2024 FEB 02 2024 WELD COUNTY COMMISSIONERS IN REPLY REFER TO: Case No.: 24-08-0074P Community Name: Weld County, CO Community No.: 080266 Effective Date of This Revision: January 31, 2024 The Flood Insurance Rate Map for your community has been revised by this Letter of Map Revision (LOMR). Please use the enclosed annotated map panel(s) revised by this LOMR for floodplain management purposes and for all flood insurance policies and renewals issued in your community. Additional documents are enclosed which provide information regarding this LOMR. Please see the List of Enclosures below to determine which documents are included. Other attachments specific to this request may be included as referenced in the Determination Document. If you have any questions regarding floodplain management regulations for your community or the National Flood Insurance Program (NFIP) in general, please contact the Consultation Coordination Officer for your community. If you have any technical questions regarding this LOMR, please contact the Director, Mitigation Division of the Department of Homeland Security's Federal Emergency Management Agency (FEMA) in Denver, Colorado, at (303)235-4830, or the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP). Additional information about the NFIP is available on our website at https://www.fema.gov/flood-insurance. Sincerely, Patrick "Rick" F. Sacbibit, P.E., Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration List of Enclosures: Letter of Map Revision Determination Document Annotated Flood Insurance Rate Map cc: Dawn Anderson Development Review Manager Weld County Kevin Houck, P.E., CFM Chief, Watershed and Flood Protection Section Colorado Water Conservation Board Tern Fead, P.E., CFM Floodplain Mapping Coordinator Colorado Water Conservation Board Marta Blanco Castano, LISP, CFM Flood Mapping Program Assistant Colorado Water Conservation Board CoMM v n ; co+ O M S cc'. QEM (RR), PI_ (ER/MN/DA/DA/FAK), 02/12/21-I FwaH/UD) o2/o5/24 2024-0318 Page 1 of 4 Issue Date: January 31, 2024 I Effective Date: January 31, 2024 I Case No.: 24-08-0074P I LOMR-APP O4Yj�r�F C� Federal Emergency Management Agency Washington, D.C. 20472 r1ND StiGJ LETTER OF MAP REVISION DETERMINATION DOCUMENT COMMUNITY AND REVISION INFORMATION PROJECT DESCRIPTION BASIS OF REQUEST COMMUNITY Weld County Colorado (Unincorporated Areas) NO PROJECT REISSUANCE COMMUNITY NO.: 080266 IDENTIFIER Eaton Draw Hydrology and Hydraulic Update Reissuance — Partial Reissuance of 15-080573P APPROXIMATE LATITUDE & LONGITUDE: 40.461, -104.681 SOURCE: USGS QUADRANGLE DATUM: NAD 83 ANNOTATED MAPPING ENCLOSURES ANNOTATED STUDY ENCLOSURES TYPE: FIRM* NO.: 08123C1535E DATE: January 20, 2016 NO REVISION TO THE FLOOD INSURANCE STUDY REPORT Enclosures reflect changes to flooding sources affected by this revision. * FIRM - Flood Insurance Rate Map FLOODING SOURCE(S) & REVISED REACH(ES) EATON DRAW - from approximately 740 feet downstream of 6th Avenue to approximately 1,550 feet upstream of County Road 392 SUMMARY OF REVISIONS This Letter of Map Revision (LOMR) is a partial reissuance of a LOMR that became effective on July 14, 2016 (Case No. 15-08-0573P). The July 14, 2016, LOMR revised the Special Flood Hazard Areas (SFHAs), the areas subject to inundation by the base (1 -percent -annual -chance) flood, regulatory floodway and BFEs*, along Eaton Draw and Eaton Draw Split Flow. A portion of the July 14, 2016, LOMB was incorporated in the Physical Map Revision (PMR) study that became effective on November 30, 2023, and the remaining portion of the LOMR outside of the PMR footprint is being reissued with this LOMR according to FEMA PMR Guidance Document 38. This LOMR does not revise the base floodplain, BFEs or floodway along Eaton Draw as presented in the July 14, 2016 LOMR. * BFEs — Base (1 -percent -annual -chance) Flood Elevations DETERMINATION This document provides the determination from the Department of Homeland Security's Federal Emergency Management Agency (FEMA) regarding a request fora Letter of Map Revision (LOMR) for the area described above. Using the information submitted, we have determined that a revision to the flood hazards depicted in the Flood Insurance Study (FIS) report and/or National Flood Insurance Program (NFIP) map is warranted. This document revises the effective NFIP map, as indicated in the attached documentation. Please use the enclosed annotated map panels revised by this LOMR for floodplain management purposes and for all flood insurance policies and renewals in your community. This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by leder addressed to the LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at https://www.fema.gov/flood-insurance. Patrick "Rick" F. Sacbibit, P.E., Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 24-08-0074P 102-D Page 2 of 4 Issue Date: January 31, 2024 I Effective Date: January 31, 2024 I Case No.: 24-08-0074P I LOMR-APP O�4�1E.p IIN Federal Emergency Management Agency Washington, D.C. 20472 4.1NDStiG LETTER OF MAP REVISION DETERMINATION DOCUMENT (CONTINUED) COMMUNITY INFORMATION APPLICABLE NFIP REGULATIONS/COMMUNITY OBLIGATION We have made this determination pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (P.L. 93-234) and in accordance with the National Flood Insurance Act of 1968, as amended (Title XIII of the Housing and Urban Development Act of 1968, P.L. 90-448), 42 U.S.C. 4001-4128, and 44 CFR Part 65. Pursuant to Section 1361 of the National Flood Insurance Act of 1968, as amended, communities participating in the NFIP are required to adopt and enforce floodplain management regulations that meet or exceed NFIP criteria. These criteria, including adoption of the FIS report and FIRM, and the modifications made by this LOMR, are the minimum requirements for continued NFIP participation and do not supersede more stringent State/Commonwealth or local requirements to which the regulations apply. COMMUNITY REMINDERS We based this determination on the 1 -percent -annual -chance flood discharges computed in the FIS for your community without considering subsequent changes in watershed characteristics that Could increase flood discharges. Future development of projects upstream could cause increased flood discharges, which could cause increased flood hazards. A comprehensive restudy of your community's flood hazards would consider the cumulative effects of development on flood discharges subsequent to the publication of the FIS report for your community and could, therefore, establish greater flood hazards in this area. Your community must regulate all proposed floodplain development and ensure that permits required by Federal and/or State/Commonwealth law have been obtained. State/Commonwealth or community officials, based on knowledge of local conditions and in the interest of safety, may set higher standards for construction or may limit development in floodplain areas. If your State/Commonwealth or community has adopted more restrictive or comprehensive floodplain management criteria, those criteria take precedence over the minimum NFIP requirements. We will not print and distribute this LOMR to primary users, such as local insurance agents or mortgage lenders; instead, the community will serve as a repository for the new data. We encourage you to disseminate the information in this LOMR by preparing a news release for publication in your community's newspaper that describes the revision and explains how your community will provide the data and help interpret the NFIP maps. In that way, interested persons, such as property owners, insurance agents, and mortgage lenders, can benefit from the information. This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at https://www.fema.goviflood-insurance. Patrick "Rick" F. Sacbibit, P.E., Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 24-08-0074P 102-D Page 3 of 4 I Issue Date: January 31, 2024 I Effective Date: January 31, 2024 I Case No.: 24-08-0074P I LOMR-APP YA/ RT4 9' Federal Emergency Management Agency 4 Washington, D.C. 20472 ,t�ND StiG� LETTER OF MAP REVISION DETERMINATION DOCUMENT (CONTINUED) We have designated a Consultation Coordination Officer (CCO) to assist your community. The CCO will be the primary liaison between your community and FEMA. For information regarding your CCO, please contact: Jeanine D. Petterson Director, Mitigation Division Federal Emergency Management Agency, Region VIII Denver Federal Center, Building 710 P.O. Box 25267 Denver, CO 80225-0267 (303)235-4830 STATUS OF THE COMMUNITY NFIP MAPS We will not physically revise and republish the FIRM for your community to reflect the modifications made by this LOMR at this time. When changes to the previously cited FIRM panel warrant physical revision and republication in the future, we will incorporate the modifications made by this LOMR at that time. This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at https://www.fema.gov/flood-insurance. Patrick' Rick" F. Sacbibit, P.E., Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 24-08-0074P 102-D Page 4 of 4 I Issue Date: January 31, 2024 I Effective Date: January 31, 2024 I Case No.: 24-08-0074P I LOMR-APP O4'�A�%t a Federal Emergency Management Agency oFt9Nstir°4 Washington, D.C. 20472 D LETTER OF MAP REVISION DETERMINATION DOCUMENT (CONTINUED) PUBLIC NOTIFICATION OF REVISION The flood hazard information along Eaton Draw, as presented in this LOMR, became effective on July 14, 2016, following a 90 -day appeal period for Case No.: 15-08-0573P. Therefore, we will not republish the flood hazard information in the local newspaper. This revision is effective as of the date of this letter. Any request to review or alter this determination should be made within 30 days and must be based on scientific data. This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at https://www.fema.gov/flood-insurance. Patrick "Rick" F. Sacbibit, P.E., Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 24-08-0074P 102-D • 4482000mN NS PANEL 1530 O 4732.0 4_2.0 448, 000mN brr Eaioiz Draw -- 4725.4 REVISED AREA 2280000mN OF. LDED �T DY JOINS PANEL 1533 THIS AREA SHOWN AT A SCALE OF 1" = 500' ON MAP NUMBER 18012301533 SPECIAL FLOOD HAZARD AREAS OTHER AREAS OF FLOOD HAZARD SCALE PAE L NORTH. Without Base Flood Elevation (BFE) ZD 'ie .i. Ir. 499 With BFE or Depth , rneAE, A0, AN, VE. AR Regulatory Floodway 0.2 % Annual Chance Flood Hazard, Areas of 1% annual chance flood with average depth less than one foot or with drainage areas of less than one square mile Zone,k Future Conditions 1% Annual Chance Flood Hazard Area with Reduced Flood Risk due to Levee See Notes. Lou, Map Projection: Universal Transverse MercatorNAD 1983 UTM Zone 13N Western Hemisphere Vertical Datum NAVD 88 1 inch = 1.000 feet 125 250 2000 Feet Meters 500 NATIONAL FLOOD INSURANCE PROGRAM FLOOD IN SUP A N, r^F R A Tr MP WELD COUNTY, COLORADO and Incorporated Areas Panel Contains: COMMUNITY NUMBER PANEL GREELY. CITY OF 080184 15.35 WELD COUNTY 080266 1535 REVISED TO REFLECT LOMR EFFECTIVE: January 31, 2024 SUFFIX E VERSION NUMBER 1.1.1.0 MAP NUMBER O8123C1535E EFFECTIVE DATE JANUARY 2O. 2O16 Hello