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      EnglishEspañolFrançaisKreyòlTiếng Việt简体中文한국어  Flood Maps
              
              
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

              Change Your Flood Zone Designation
                          Change Your Flood Zone Designation

                      Letters of Map Revision and Conditional Letters of Map Revision
                  
                                        
                    
          
                    
                            
                                        
                    
          
                    
                            
                                        
                    
          
                    
                            
                                        
                    
          
                    
                            
                                        
                    
          
                    
                            
                                        
                    
          
                    
                            
                                                    Letter of Map Amendment & Letter of Map Revision-Based on Fill Process
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          Letters of Map Revision and Conditional Letters of Map Revision
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A **LOMR** is a letter from FEMA officially revising the current NFIP map to show changes to floodplains, regulatory floodways, or flood elevations. Reference Code of Federal Regulations Title 44 Parts 60, 65, and 72.  A community or individual can request a LOMR to update the following:



Flood Hazard Boundary MapFlood Insurance Rate MapFlood Boundary and Floodway MapFlood Insurance Study ReportA **CLOMR** is a letter from FEMA commenting on whether a proposed project, if built as proposed, or proposed hydrology changes would meet minimum National Flood Insurance Program standards.



Endangered Species Act requirements for CLOMRs



MT-2 Forms and Instructions



When completing these forms, the requester provides the pertinent data about this request to FEMA. The content of the forms also ensure:



data and methodology are based on current conditionsqualified professionals have assembled data and performed necessary computationsindividuals and organizations affected by proposed changes are aware of the changes and have an opportunity to comment.**For additional information about MT-2s requirements and general FEMA guidelines, refer to the documents below.**



MT-2 GuidancePDF Link Icon



FEMA Guidelines and Standards for Flood Risk Analysis and Mapping



**MT-2 Requests may be submitted via mail or online.  Online submittals offer a reduced review and processing fee.**



**Online**



FEMA recommends an applicant use the Online Letter of Map Change tool to submit a revision using the Online Letter of Map Change tool.



Submit Your Request



**Mailed Submittals**



For hardcopy (paper) submittals, the completed package should be submitted to the appropriate address indicated below.



Letter of Map Change Clearinghouse3601 Eisenhower Avenue, Suite 500Alexandria, VA 22304-6426



**Exception:** In Cooperating Technical Partner (CTP) agreements with FEMA, the following counties or states will review and process Letters of Map Revisions and Conditional Letters of Map Revisions: Alabama, Colorado, Illinois, Indiana, North Carolina and Texas. These states have different mail-in information.



StateAddressInstructionEmailAlabamaAlabama Offices of Water Resources Attn: MT-2 Letter of Map Change Coordinator 401 Adams Avenue Montgomery, Alabama 36104All requests within the stateare mailed to this address.ColoradoMile High Flood District Attn: Floodplain Manager 2480 West 26th Avenue, Suite 156-B Denver, Colorado 80211All requests within the jurisdiction of the Mile High Flood District in Colorado.ColoradoColorado Water Conservation Board Attn: Floodplain Mapping Program Manager 1313 Sherman Street Room 718 Denver, Colorado 80203Requests for other areas of Colorado are to be mailed to the Colorado Water Conservation Board.IllinoisBy mail: Illinois State Water Survey Attn: Chris Hanstad 2204 Griffith Drive Champaign, Illinois 61820-7463All requests within the state are to be submitted to the Illinois State Water Survey.These requests can also be emailed to MT2@ISWS.Illinois.edu.IndianaIndiana Department of Natural Resources Division of Water 402 W. Washington Street, Room W264 Indianapolis, Indiana 46204-2243 Attn: LOMR ManagerAll request for CLOMRs and LOMRs in Indiana should be mailed to the Indiana Department of Natural Resources.These requests can also be emailed to Water_inquiry@dnr.IN.gov.KentuckyKentucky Division of Water300 Sewer BoulevardFrankfort, Kentucky 40601Attn: LOMR ManagerAll requests within the state are to be submitted to the Kentucky Division of Water.These requests can also be emailed to LOMR.KYHelp@ky.gov.North CarolinaCharlotte-Mecklenburg County Storm Water Services Engineering & Mitigation Program Attn: Mathew C. Hornack, P.E., CFM, Project Manager 2145 Suttle Avenue Charlotte, North Carolina 28208All requests within the City of Charlotte and Mecklenburg County are to be mailed to the Charlotte-Mecklenburg Storm Water Services.North CarolinaNorth Carolina Emergency Management Risk Management NC MT-2 LOMC Depot Attention: Scott Gentry 4218 Mail Service Center Raleigh, North Carolina 27699-4218Requests for all other areas in North Carolina are mailed here.TexasHarris County Flood Control District Attn: MT-2 Letter of Map Revisions Coordinator 9900 Northwest Freeway Houston, Texas 77092All requests within Harris County are to be mailed to the Harris County Flood Control District.TexasSan Antonio River Authority Attn: Ecological Engineering Department, LOMC Administrator 100 East Guenther Street San Antonio, Texas 78204All requests within Bexar, Goliad, Karnes and Wilson counties are to be mailed to the San Antonio River Authority.TexasLetter of Map Change Clearinghouse 3061 Eisenhower Avenue, Suite 500 Alexandria, Virginia 22304-6426All of the other areas of Texas are to be mailed to Alexandria, Virginia.
Last updated April 15, 2024

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