#FEMA FLOOD ZONES DEFINITIONS CODE#
#FEMA FLOOD ZONES DEFINITIONS PLUS#

#FEMA FLOOD ZONES DEFINITIONS CODE#

Guidance on establishing in-person and email consultations with our flood plain managers and code enforcement officers.Dedicated phone numbers to contact local officials about imminent dangers or emergencies.

These notifications will include, but not be limited to: Notifications of what to do if you are in an affected area will be posted immediately on the town's website.In the event of a flooding event, or any natural disaster of significant magnitude, Town of Hempstead residents and owners should refer to the following information:.These areas are indicated on flood insurance rate maps (FIRMs). Land areas that are at high risk for flooding are called special flood hazard areas (SFHAs), or floodplains. Areas within the SFHA are designated on the flood insurance rate map as Zone A, AO, A1-A30, AE, A99, AH, AR, AR/A, AR/AE, AR/AH, AR/AO, AR/A1-A30, V1-V30 or V. SPECIAL FLOOD HAZARD AREA: Special Flood Hazard Area (SFHA) is an area identified by the United States Federal Emergency Management Agency (FEMA) as an area with a special flood or mudflow, and/or flood-related erosion hazard, as shown on a flood hazard boundary map or flood insurance rate map. SUBSTANTIAL IMPROVEMENT: Substantial improvement, as defined in 44 CFR § 59.1, means any reconstruction, rehabilitation, addition, or other improvements of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure before the start of construction of the improvement. This percentage rule can vary among jurisdictions. SUBSTANTIAL DAMAGE: The term “substantial damage” applies to a structure in a Special Flood Hazard Area – or floodplain – for which the total cost of repairs is 50 percent or more of the structure's fair market value before the disaster occurred, regardless of the cause of damage. The NFIP works with communities required to adopt and enforce floodplain management regulations that help mitigate flooding effects. The NFIP provides flood insurance to property owners, renters, and businesses, and having this coverage helps them recover faster when floodwaters recede. NATIONAL FLOOD INSURANCE PROGRAM: The National Flood Insurance Program (NFIP) is managed by the FEMA and is delivered to the public by a network of more than 50 insurance companies and the NFIP Direct. The agency's primary purpose is to coordinate the response to a disaster that has occurred in the United States and that overwhelms the resources of local and state authorities.įLOOD INSURANCE RATE MAP: A flood insurance rate map (FIRM) is an official map of a community on which FEMA has delineated the Special Flood Hazard Areas (SFHAs), the Base Flood Elevations (BFEs), and the risk premium zones applicable to the community.

3 of 1978 and implemented by two Executive Orders on April 1, 1979.

#FEMA FLOOD ZONES DEFINITIONS PLUS#

In the Town of Hempstead, the DFE is the BFE plus two feet of freeboard.įEMA: The Federal Emergency Management Agency (FEMA) is an agency of the United States Department of Homeland Security (DHS), initially created under President Jimmy Carter by Presidential Reorganization Plan No. Terms and DefinitionsīASE FLOOD ELEVATION: The base flood elevation (BFE) is the elevation of surface water resulting from a flood that has a 1% chance of equaling or exceeding that level in any given year.ĭESIGN FLOOD ELEVATION: The design flood elevation (DFE) is the elevation of the highest flood (generally the BFE including freeboard) that a retrofitting method is designed to protect against. The Town of Hempstead Building Department also has Certified Floodplain Managers on staff to answer any questions regarding Flood Hazard Information and Mitigation Activities. As a participant in the National Flood Insurance Program (NFIP), The Town of Hempstead is offering this information to address the problems in various flood zones. This information is being offered to alert you that your premises may be located in, or adjacent to, a special flood hazard area (SFHA), as determined by the Federal Emergency Management Agency (FEMA). For all residents/property owners and constituents in the Town of Hempstead

Fema flood zones definitions