![]() A 100-year flood could occur twice in five years. It is more accurate to refer to it as a 1% annual chance of the area flooding in any given year. However, a 100-year flood is not something that occurs once every 100 years. FEMA chose a "standard size" storm to approximate the floodplain map boundaries, and that storm was the 100-year flood event. You are also welcome to call us at the Chester County Water Resources Authority at 61 or email us at with any questions.įEMA's mapping of floodplains approximates where floodwaters may rise, however even if the property is outside of a FEMA floodplain, it may still flood. Call FEMA Map Specialists at 1-877-FEMA-MAP. To view the new interactive online FEMA floodplain maps, visit their Map Service Center website and type in the street address for the property of interest. Requests for all other areas in North Carolina are mailed here.Īttn: MT-2 Letter of Map Revisions CoordinatorĪll requests within Harris County are to be mailed to the Harris County Flood Control District.Īttn: Ecological Engineering Department, LOMC AdministratorĪll requests within Bexar, Goliad, Karnes and Wilson counties are to be mailed to the San Antonio River Authority.Īll of the other areas of Texas are to be mailed to Alexandria, Virginia.The Federal Emergency Management Agency updated the floodplain maps for portions of Chester County in 2017, and these maps went into effect on September 29, 2017. Iddrisu, P.E., CFM, Project ManagerĪll requests within the City of Charlotte and Mecklenburg County are to be mailed to the Charlotte-Mecklenburg Storm Water Services. These requests can also be emailed to CarolinaĬharlotte-Mecklenburg County Storm Water Services Engineering & Mitigation ProgramĪttn: Salih W. These requests can also be emailed to Department of Natural Resourcesīeginning end of April 2022, all requests for CLOMRs and LOMRs in Indiana should be mailed to the Indiana Department of Natural Resources ![]() Requests for other areas of Colorado are to be mailed to the Colorado Water Conservation Board.Īll requests within the state are to be submitted to the Illinois State Water Survey. StateĪttn: MT-2 Letter of Map Change CoordinatorĪll requests within the state are mailed to this address.Īll requests within the jurisdiction of the Mile High Flood District in Colorado. These states have different mail-in information. Online submittals offer a reduced review and processing fee.įEMA recommends an applicant use the Online Letter of Map Change tool to submit a revision using the Online Letter of Map Change tool.įor hardcopy (paper) submittals, the completed package should be submitted to the appropriate address indicated below.Įxception: 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. MT-2 Requests may be submitted via mail or online. ![]() individuals and organizations affected by proposed changes are aware of the changes and have an opportunity to comment.įor additional information about MT-2s requirements and general FEMA guidelines, refer to the documents below.įEMA Guidelines and Standards for Flood Risk Analysis and Mapping.qualified professionals have assembled data and performed necessary computations.data and methodology are based on current conditions.When completing these forms, the requester provides the pertinent data about this request to FEMA. ![]() A community or individual can request a LOMR to update the following:Ī 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.Įndangered Species Act requirements for CLOMRs Reference Code of Federal Regulations Title 44 Parts 60, 65, and 72. A LOMR is a letter from FEMA officially revising the current NFIP map to show changes to floodplains, regulatory floodways, or flood elevations. ![]()
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