Special Flood Hazard Area (SFHA) – is a term used by the Federal Emergency Management Agency (FEMA) in the National Flood Insurance Program (NFIP) to refer to the land area covered by the floodwaters of the base or 100-years flood otherwise described as “approximate 1% probability of a flood occurring on the land in any given year”. An interactive map can be viewed online using the Nye County GIS Web Browser or through the FEMA Map Service Center. Specifically, the Flood Insurance Rate Maps (FIRM) show the flood zones, floodplain boundaries and base flood elevation. A typical method of complying with the floodplain regulations is to elevate and anchor all structures.įlood Insurance Rate Maps (FIRM) aka: Flood Mapsįlood maps show a community’s risk of flooding. If your development is located within a SFHA, the county is required to review development-related activities for compliance with the adopted ordinances. All development within Nye County must submit a Flood Damage Prevention Application Permit to the Flood Plain Administrator for verification of the flood hazard. Nye County’s adoption and enforcement of floodplain regulations is an important factor in making flood insurance available throughout the county.įlood prevention applies to all properties in Nye County lying within the mapped Special Flood Hazard Areas (SFHA). These measures take a variety of forms such as zoning, subdivision review, building permitting and floodplain regulations. In the meantime, to ensure that structures are constructed using the best available information, the New York City Building Code will continue to require new and substantially improved buildings to use the Preliminary FIRMs until a new map is created and adopted by the City.Floodplain management is the operation of a community’s program of corrective and preventative measures for reducing flood hazard. This ground-breaking step will result in new flood maps that better account for the future risk of sea level rise and coastal storm surge for planning and building purposes, while protecting the affordability of flood insurance - which will continue to be priced against current flood risk. In addition, FEMA and the City will work together to create a new methodology to incorporate the growing risks of climate change and sea level rise. The City’s goal is to ensure FEMA’s Flood Insurance Rate Maps (FIRMs) provide residents with an accurate representation of the city’s current one percent annual flood risk (also known as the 100-year floodplain).įEMA and City officials agreed that the information submitted during the appeal period will be used to revise the Preliminary Flood Insurance Study (FIS) and 2015 Preliminary FIRMs. As a result, FEMA’s modeling overestimates the size (or extent) of the one-percent-annual-chance (aka 100-year) floodplain (i.e., where waters will reach during a flood that has a one percent chance of occurring each year). The City found technical and scientific errors in FEMA’s modeling that overestimate the height of flood waters during a one-percent-annual-chance flood event, the “Base Flood Elevation (BFE),” by between 1 and 2.5 feet across the city. **In October 2016, FEMA announced that it agreed with the City’s findings,** and that it would work with the City to revise the 2015 Preliminary FIRMs and issue new maps in the coming years that better reflect current flood risk. In June 2015, New York City filed a technical appeal of the Preliminary FIRMs. The issuance of the Preliminary FIRMs and FIS marked the first step in the official flood map update process, which included a public comment and a 90-day technical appeals period. In January 2015, FEMA released Preliminary Flood Insurance Rate Maps for New York City as well as the Preliminary Flood Insurance Study (FIS) for New York City, a narrative report of the city’s flood hazard. Find out more about understanding FEMA’s Flood Maps. Each flood zone tells homeowners what the risk is for flooding at their property. This area is also referred to as the Special Flood Hazard Area (SFHA) or the 100-year floodplain, and is broken down into smaller areas called flood zones. This high risk area has a one percent chance of flooding in any given year, and a twenty-six percent chance of flooding over the life of a thirty-year mortgage. These maps identify areas that are at high risk to flooding. FEMA creates Flood Insurance Rate Maps (FIRMs) that highlight flood risk and determine flood insurance and building code requirements.
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