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Home My WebLink About20233484.tiff Federal Emergency Management Agency ��tAND 3 Washington,D.C.20472 November 13,2023 RECEIVED NOV 2 7 2023 CERTIFIED MAIL IN REPLY REFER TO: WELD COUNTY RETURN RECEIPT REQUESTED Case No.: 23-08-0239R COMMISSIONERS Mike Freeman Community Name:Weld County,CO Commissioner District 1,Weld County Community No.:080266 1150 O Street Greeley,CO 80631 104 Dear Mike Freeman: We are providing our comments with the enclosed Conditional Letter of Map Revision(CLOMR)on a proposed project within your community that,if constructed as proposed,could revise the effective Flood Insurance Study report and Flood Insurance Rate Map for your community. If you have any questions regarding the floodplain management regulations for your community,the National Flood Insurance Program(NFIP)in general,or technical questions regarding this CLOMR,please contact the Director, Mitigation Division of the Federal Emergency Management Agency(FEMA)Regional Office in Denver,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: Conditional Letter of Map Revision Comment Document cc: The Honorable Scott Moser Kevin Houck,P.E.,CFM Mayor,Town of Eaton Chief,Watershed and Flood Weld County Protection Section Colorado Water Conservation Board Tom Parko Director of Planning Services Terri Fead,P.E.,CFM Weld County Floodplain Mapping Coordinator Colorado Water Conservation Board Bradley Curtis Floodplain Administrator Marta Blanco Castano,GISP,CFM Town of Eaton Flood Mapping Program Assistant Colorado Water Conservation Board Victoria Hernan,EIT Water Resources Engineer Wright Water Engineers,Inc. CC.OEM(RR),pt-(TP/HW/DA), CO MM.2/uou/O3:on 5 Yw(ci-l/R/oo) 2023-3484 I I/3x/23 Page 1 of 6 Ilssue Date:November 13,2023 'Case No.:23-08-0239R I CLOMR-APP 1.4AR r4f,.f. Federal Emergency Management Agency o 4 Washington,D.C.20472 �19NnstiG� CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT COMMUNITY INFORMATION PROPOSED PROJECT DESCRIPTION BASIS OF CONDITIONAL REQUEST Weld County FILL 1D HYDRAULIC ANALYSIS Colorado UPDATED TOPOGRAPHIC DATA Unicorporated Areas FLOODWAY COMMUNITY COMMUNITY NO.:080266 Eaton Draw Transmission Line Towers APPROXIMATE LATITUDE&LONGITUDE:40.535,-104.709 IDENTIFIER SOURCE:USGS QUADRANGLE DATUM:NAD 83 AFFECTED MAP PANELS TYPE:FIRM* NO.:08123C1236E DATE:January 20,2016 TYPE:FIRM NO.:08123C1237E DATE:January 20,2016 FIRM-Flood Insurance Rate Map TYPE:FIRM NO::08123C1239E DATE:January 20,2016 FLOODING SOURCE AND REACH DESCRIPTION Eaton Draw—Just downstream of West County Road 78 to approxinately 500 feet upstream of West County Road 72 PROPOSED PROJECT DESCRIPTION Flooding Source Proposed Project Location of Proposed Project Eaton Draw Fill Placement Approximately 900 feet upstream and just downstream of West County Road 76 Fill Placement Approximately 150 feet and 700 feet upstream of East 5th Street Fill Placement Approximately 100 feet and 1,200 feet upstream of West County Road 74 SUMMARY OF IMPACTS TO FLOOD HAZARD DATA Flooding Source Effective Flooding Proposed Flooding Increases Decreases Eaton Draw Floodway Floodway Yes Yes BFEs* BFEs Yes Yes Zone AE Zone AE Yes Yes Zone A Zone A Yes Yes *BFEs-Base(1-percent-annual-chance)Flood Elevations COMMENT This document provides the Federal Emergency Management Agency's(FEMA's)comment regarding a request fora CLOMR for the project described above. This document is not a final determination;it only provides our comment on the proposed project in relation to the flood hazard information shown on the effective National Flood Insurance Program(NFIP)map.We reviewed the submitted data and the data used to prepare the effective food hazard information for your community and determined that the proposed project meets the minimum floodplain management criteria of the NFIP.Your community is responsible for approving all floodplain development and for ensuring that all permits required by Federal or State/Commonwealth law have been received. State/Commonwealth,county,and community officials,based on their knowledge of local conditions and in the interest of safety,may set higher standards for construction in the Special Flood Hazard Area(SFHA),the area subject to inundation by the base flood).If the State/Commonwealth,county,or community has adopted more restrictive or comprehensive floodplain management criteria,these criteria take precedence over the minimum NFIP criteria. This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. Patrick'Rick.F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 2 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP UFederal Emergency Management Agency x i„ o 4 Washington,D.C.20472 -41ND ssc CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) OTHER COMMUNITIES AFFECTED BY THIS CONDITIONAL REQUEST CID Number:080180 Name:Town of Eaton,Colorado AFFECTED MAP PANELS TYPE:FIRM NO.:08123C1237E DATE:January 20,2016 TYPE:FIRM NO.:08123C1239E DATE:January 20,2016 This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. 6Y•14/ Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 3 of 6 Ilssue Date:November 13,2023 'Case No.:23-08-0239R I CLOMR•APP ART %Uc'' Federal Emergency Management Agency%4. Washington,D.C.20472 9 1ND 5 CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION To determine the changes in flood hazards that will be caused by the proposed project,we compared the hydraulic modeling reflecting the proposed project(referred to as the proposed conditions model)to the hydraulic modeling used to prepare the Flood Insurance Study(FIS)(referred to as the effective model).If the effective model does not provide enough detail to evaluate the effects of the proposed project,an existing conditions model must be developed to provide this detail.This existing conditions model is then compared to the effective model and the proposed conditions model to differentiate the increases or decreases in flood hazards caused by more detailed modeling from the increases or decreases in flood hazards that will be caused by the proposed project. The table below shows the changes in the BFEs: BFE Comparison Table Flooding Source:Eaton Draw BFE Change(feet) Location of maximum change Existing vs. Maximum increase 2.40 Approximately 1,500 feet downstream of East 5th Street Effective Maximum decrease 3.90 Approximately 460 feet upstream of West County Road 76 Proposed vs. Maximum increase 0.02 Approximately 600 feet upstream of East 5th Street Existing Maximum decrease 0.04 Approximately 700 feet upstream of East 5th Street Proposed vs. Maximum increase 2.50 Approximately 1,500 feet downstream of East 5th Street Effective Maximum decrease 3.90 Approximately 460 feet upstream of West County Road 76 Increases due to the proposed project that exceed those permitted under Paragraphs(c)(10)or(d)(3)of Section 60.3 of the NFIP regulations must adhere to Section 65.12 of the NFIP regulations.With this request,your community has complied with all requirements of Paragraph 65.12(a)of the NFIP regulations.Compliance with Paragraph 65.12(b)also is necessary before FEMA can issue a Letter of Map Revision when a community proposes to permit encroachments into the effective regulatory floodway that will cause BFE increases in excess of those permitted under Paragraph 60.3(d)(3). This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. (.... 1"-----P14/ Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 4 of 6 'Issue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP Federal Emergency Management Agency Washington,D.C.20472 NAND SEA . CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) DATA REQUIRED FOR FOLLOW-UP LOMR Upon completion of the project,your community must submit the data listed below and request that we make a final determination on revising the effective FIRM.If the project is built as proposed and the data below are received,a revision to the FIRM and FIS Report would be warranted. •Detailed application and certification forms must be used for requesting final revisions to the maps.Therefore,when the map revision request for the area covered by this letter is submitted,Form 1,entitled"Overview and Concurrence Form,"must be included.A copy of this form may be accessed at hops:www.femu.gov flood-maps change-year-flood-cone paper-application-forms mt-2. •The detailed application and certification forms listed below may be required if as-built conditions differ from the proposed plans.If required,please submit new forms,which may be accessed at hups:www.fomu.gov flood-maps change-your-flood-zone paper-application- forms ml-2,or annotated copies of the previously submitted forms showing the revised information. Form 2,entitled"Riverine Hydrology and Hydraulics Form."Hydraulic analyses for as-built conditions of the base flood,the 10- percent,2-percent,and 0.2 percent annual chance floods,and the regulatory floodway,must be submitted with Form 2. Form 3,entitled"Riverine Structures Form." •A certified topographic work map showing the revised and effective base and 0.2 percent annual chance floodplain and floodway boundaries.Please ensure that the revised information ties in with the current effective information at the downstream and upstream ends of the revised reach. •Annotated copies of all the FIRMs,at the scale of the effective FIRM,that shows the revised base and 0.2 percent annual chance floodplain and floodwayboundary delineations shown on the submitted work map and how they tie into the base and 0.2 percent annual chance floodplain and floodway boundary delineations shown on the current effective FIRM at the downstream and upstream ends of the revised reach. •As-built plans,certified by a registered Professional Engineer,of all proposed project elements. •A copy of the public notice distributed by your community stating its intent to revise the regulatory floodway,or a signed statement by your community that it has notified all affected property owners and affected adjacent jurisdictions. •Documentation of the individual legal notices sent to property owners who will be affected by any widening or shifting of the base floodplain and any BFE increases along Eaton Draw. This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. Patrick"Rick'F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0238R 104 Page 5 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP UO Federal Emergency Management Agency 4' Washington,D.C.20472 4t.r ND ssG� CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) DATA REQUIRED FOR FOLLOW-UP LOMR(continued) •FEMA's fee schedule for reviewing and processing requests for conditional and final modifications to published flood information and maps may be accessed at hops:wwsv.fema.gov flood-maps change-your-flood-cone status flood-map-related-fees.The fee at the time of the map revision submittal must be received before we can begin processing the request.Payment of this fee can be made through a check or money order,made payable in U.S.funds to the National Flood Insurance Program,or by credit card(Visa or MasterCard only).Please either forward the payment,along with the revision application,to the following address: Colorado Water Conservation Board 1313 Sherman Street,Room 718 Denver,CO 80203 or submit the LOMR using the Online LOMC portal at:https://hazards.fema.gov/femaportal/onlinelomc/signin After receiving appropriate documentation to show that the project has been completed,FEMA will initiate a revision to the FIRM. Because the flood hazard information(i.e.,base flood elevations,base flood depths,SFHAs,zone designations,and/or regulatory floodways)will change as a result of the project,a 90-day appeal period will be initiated for the revision,during which community officials and interested persons may appeal the revised flood hazard information based on scientific or technical data. This comment is based on the flood data presently available.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 the FEMA website at https://www.fema.gov/flood-insurance. C: 1-,d4/1 Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 6 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP 0�4A�•�—R-��rt. o` Federal Emergency Management Agency 4 Washington,D.C.20472 4lAND SVGS` CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) COMMUNITY REMINDERS 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: Ms.Jeanine P.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 This comment is based on the flood data presently available.If you have any questions about this document,please contact the FEMA Mapping and Insurance eXchange (FMIX)toll free 0 1-877-336-2627(1-877-FEMA MAP)or by letter addressed to the LOMC Clearinghouse,3601 Eisenhower Avenue,Suite 500,Alexandria,VA 22304. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 0 '°' ► `4� Federal Emergency Management Agency �l1ND sv.c Washington,D.C.20472 November 13,2023 CERTIFIED MAIL IN REPLY REFER TO: RETURN RECEIPT REQUESTED Case No.: 23-08-0239R The Honorable Scott Moser Community Name:Town of Eaton,CO Mayor,Town of Eaton Community No.:080180 223 1st Street Eaton,CO 80615 104 Dear Mayor Moser: We are providing our comments with the enclosed Conditional Letter of Map Revision(CLOMR)on a proposed project within your community that,if constructed as proposed,could revise the effective Flood Insurance Study report and Flood Insurance Rate Map for your community. If you have any questions regarding the floodplain management regulations for your community,the National Flood Insurance Program(NFIP)in general,or technical questions regarding this CLOMR,please contact the Director, Mitigation Division of the Federal Emergency Management Agency(FEMA)Regional Office in Denver,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, 4; 1—.. 147./411 Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration List of Enclosures: Conditional Letter of Map Revision Comment Document cc: Mike Freeman Kevin Houck,P.E.,CFM Commissioner District 1,Weld County Chief,Watershed and Flood Protection Section Bradley Curtis Colorado Water Conservation Board Floodplain Administrator Town of Eaton Terri Fead,P.E.,CFM Floodplain Mapping Coordinator Tom Parko Colorado Water Conservation Board Director of Planning Services Weld County Marta Blanco Castano,GISP,CFM Flood Mapping Program Assistant Victoria Hernan,EIT Colorado Water Conservation Board Water Resources Engineer Wright Water Engineers,Inc. Page 1 of 6 Ilasue Date:November 13,2023 'Case No.:23-08-0239R I CLOMR-APP Federal Emergency Management Agency s4~ Washington,D.C.20472 G CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT COMMUNITY INFORMATION PROPOSED PROJECT DESCRIPTION BASIS OF CONDITIONAL REQUEST FILL 1D HYDRAULIC ANALYSIS Town of Eaton Weld County UPDATED TOPOGRAPHIC DATA Colorado FLOODWAY COMMUNITY COMMUNITY NO.:080180 Eaton Draw Transmission Line Towers APPROXIMATE LATITUDE&LONGITUDE:40.535,-104.709 IDENTIFIER SOURCE:USGS QUADRANGLE DATUM:NAD 83 AFFECTED MAP PANELS TYPE:FIRM NO.:08123C1237E DATE:January 20,2016 TYPE:FIRM NO.:08123C1239E DATE:January 20,2016 *FIRM-Flood Insurance Rate Map FLOODING SOURCE(S)AND REACH DESCRIPTION Eaton Draw—Just downstream of West County Road 78 to appromiately 500 feet upstream of West County Road 72 PROPOSED PROJECT DESCRIPTION Flooding Source Proposed Project Location of Proposed Project Eaton Draw Fill Placement Just downstream of West County Road 76 Fill Placement Approximately 700 downstream of East 5th Street Approximately 500 feet,1,300 feet,1,400 feet and 2,000 feet downstream Fill Placement of West County Road 74 Fill Placement Approximately 1,100 feet;1,900 feet and 2,800 feet upstream of West County Road 72 SUMMARY OF IMPACTS TO FLOOD HAZARD DATA Flooding Source Effective Flooding Proposed Flooding Increases Decreases Eaton Draw Floodway Floodway Yes Yes BFEs* BFEs Yes Yes Zone AE Zone AE Yes Yes Zone A Zone A Yes Yes BFEs-Base(1-percent-annual-chance)Flood Elevations COMMENT This document provides the Federal Emergency Management Agency's(FEMA's)comment regarding a request for a CLOMR for the project described above. This document is not a final determination;it only provides our comment on the proposed project in relation to the flood hazard information shown on the effective National Flood Insurance Program(NFIP)map.We reviewed the submitted data and the data used to prepare the effective flood hazard information for your community and determined that the proposed project meets the minimum floodplain management criteria of the NFIP.Your community is responsible for approving all floodplain development and for ensuring that all permits required by Federal or State/Commonwealth law have been received. State/Commonwealth,county,and community officials,based on their knowledge of local conditions and in the interest of safety,may set higher standards for construction in the Special Flood Hazard Area(SFHA),the area subject to inundation by the base flood).If the State/Commonwealth,county,or community has adopted more restrictive or comprehensive floodplain management criteria,these criteria take precedence over the minimum NFIP criteria. This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. °C; -19,41/ Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 2 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP UI Federal Emergency Management Agency x o4 Washington,D.C.20472 19ND sVG , CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) OTHER COMMUNITIES AFFECTED BY THIS CONDITIONAL REQUEST CID Number:080266 Name: Unicorporated Areas of Weld County,Colorado AFFECTED MAP PANELS TYPE:FIRM NO.:08123C1236E DATE:January 20,2016 TYPE:FIRM NO.:08123C1237E DATE:January 20,2016 TYPE:FIRM NO.:08123C1239E DATE:January 20,2016 This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 3 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP + °° Federal Emergency Management Agency 4- -,;4 Washington,D.C.20472 CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION To determine the changes in flood hazards that will be caused by the proposed project,we compared the hydraulic modeling reflecting the proposed project (referred to as the proposed conditions model)to the hydraulic modeling used to prepare the Flood Insurance Study(FIS)(referred to as the effective model).If the effective model does not provide enough detail to evaluate the effects of the proposed project,an existing conditions model must be developed to provide this detail.This existing conditions model is then compared to the effective model and the proposed conditions model to differentiate the increases or decreases in flood hazards caused by more detailed modeling from the increases or decreases in flood hazards that will be caused by the proposed project. The table below shows the changes in the BFEs: BFE Comparison Table Flooding Source:Eaton Draw BFE Change(feet) Location of maximum change Existing vs. Maximum increase 5.70 Just downstream of West County Road 74 Effective Maximum decrease 2.00 Approximately 500 feet downstream of East 5th Street Proposed vs. Maximum increase 0.02 Approximately 650 feet downstream of East 5th Street Existing Maximum decrease 0.03 Just upstream of Highway 85 Proposed vs. Maximum increase 5.70 Just downstream of West County Road 74 Effective Maximum decrease 1.90 Approximately 500 feet downstream of East 5th Street Increases due to the proposed project that exceed those permitted under Paragraphs(c)(10)or(d)(3)of Section 60.3 of the NFIP regulations must adhere to Section 65.12 of the NFIP regulations.With this request,your community has complied with all requirements of Paragraph 65.12(a)of the NFIP regulations.Compliance with Paragraph 65.12(b)also is necessary before FEMA can issue a Letter of Map Revision when a community proposes to permit encroachments into the effective regulatory floodway that will cause BFE increases in excess of those permitted under Paragraph 60.3(d)(3). This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. 6 /'",1141 Patrick"Rick'F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 4 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP 4�YART j�.�F . °' Federal Emergency Management Agency of f4 Washington,D.C.20472 CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) DATA REQUIRED FOR FOLLOW-UP LOMR Upon completion of the project,your community must submit the data listed below and request that we make a final determination on revising the effective FIRM.If the project is built as proposed and the data below are received,a revision to the FIRM and FIS report would be warranted. •Detailed application and certification forms must be used for requesting final revisions to the maps.Therefore,when the map revision request for the area covered by this letter is submitted,Form 1,entitled"Overview and Concurrence Form,"must be included.A copy of this form may be accessed at hops:www.femu.gov flood-mups change-your-flood-zone paper-application-forms mt-2. •The detailed application and certification forms listed below may be required if as-built conditions differ from the proposed plans.If required,please submit new forms,which may be accessed at hops:www.fema.gov flood-maps change-your-flood-zone paper-application- forms/mt-2,or annotated copies of the previously submitted forms showing the revised information. Form 2,entitled"Riverine Hydrology and Hydraulics Form."Hydraulic analyses for as-built conditions of the base flood,the 10- percent,2-percent,and 0.2 percent annual chance floods,and the regulatory floodway,must be submitted with Form 2. Form 3,entitled"Riverine Structures Form." •A certified topographic work map showing the revised and effective base and 0.2 percent annual chance floodplain and floodway boundaries.Please ensure that the revised information ties in with the current effective information at the downstream and upstream ends of the revised reach. •Annotated copies of the all the FIRMs,at the scale of the effective FIRM,that shows the revised base and 0.2 percent annual chance floodplain and floodwayboundary delineations shown on the submitted work map and how they tie into the base and 0.2 percent annual chance floodplain and floodway boundary delineations shown on the current effective FIRM at the downstream and upstream ends of the revised reach. •As-built plans,certified by a registered Professional Engineer,of all proposed project elements. •A copy of the public notice distributed by your community stating its intent to revise the regulatory floodway,or a signed statement by your community that it has notified all affected property owners and affected adjacent jurisdictions. •Documentation of the individual legal notices sent to property owners who will be affected by any widening or shifting of the base floodplain and any BFE increases along Eaton Draw. This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema:gov/flood-insurance. < 1.--"7../41 Patrick"Rick'F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0239R 104 Page 5 of 6 Ilssue Date:November 13,2023 (Case No.:23-08-0239R I CLOMR-APP US Federal Emergency Management Agencya Washington,D.C.20472 CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) DATA REQUIRED FOR FOLLOW-UP LOMR(continued) •FEMA's fee schedule for reviewing and processing requests for conditional and final modifications to published flood information and maps may be accessed at https://www.fema.gov/flood-maps/change-your-flood-zone/status/flood-map-related-fees.The fee at the time of the map revision submittal must be received before we can begin processing the request.Payment of this fee can be made through a check or money order,made payable in U.S.funds to the National Flood Insurance Program,or by credit card(Visa or MasterCard only).Please either forward the payment,along with the revision application,to the following address: Colorado Water Conservation Board 1313 Sherman Street,Room 718 Denver,CO 80203 or submit the LOMR using the Online LOMC portal at:https://hazards.fema.gav/femaportal/onlinelomc/signin After receiving appropriate documentation to show that the project has been completed,FEMA will initiate a revision to the FIRM.Because the flood hazard information(i.e.,base flood elevations,base flood depths,SFHAs,zone designations,and/or regulatory floodways)will change as a result of the project,a 90-day appeal period will be initiated for the revision,during which community officials and interested persons may appeal the revised flood hazard information based on scientific or technical data. This comment is based on the flood data presently available.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 the FEMA website at https://www.fema.gov/Flood-insurance. Patrick"Rick'F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0238R 104 Page 6 of 6 Ilssue Date:November 13,2023 'Case No.:23-08-0239R I CLOMR-APP pARt%rfr Federal Emergency Management Agency t Washington,D.C.20472 IAN stiff CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT(CONTINUED) COMMUNITY INFORMATION(CONTINUED) COMMUNITY REMINDERS 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: Ms.Jeanine P.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 This comment is based on the flood data presently available.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. Additional Information about the NFIP is available on the FEMA website at https://www.fema.gov/flood-insurance. Patrick"Rick"F.Sacbibit,P.E.,Branch Chief Engineering Services Branch Federal Insurance and Mitigation Administration 23-08-0238R 104 Hello