![]() These areas have a 26% chance of flooding over the life of a 30 ‐ year mortgage. ![]() Because detailed analyses are not performed for such areas no depths or base flood elevations are shown within these zones.ĪE - The base floodplain where base flood elevations are provided.ĪH - Areas with a 1% annual chance of shallow flooding, usually in the form of a pond, with an average depth ranging from 1 to 3 feet. The SFHA designations which appear within Bay County are explained further below.Ī - Areas with a 1% annual chance of flooding and a 26% chance of flooding over the life of a 30 year mortgage. The areas of minimal flood hazard, which are the areas outside the SFHA and higher than the elevation of the 0.2-percent-annual-chance flood, are labeled Zone C or Zone X (unshaded). Moderate flood hazard areas, labeled Zone B or Zone X (shaded) are also shown on the FIRM, and are the areas between the limits of the base flood and the 0.2-percent-annual-chance (or 500-year) flood. SFHAs are labeled as Zone A, Zone AO, Zone AH, Zones A1-A30, Zone AE, Zone A99, Zone AR, Zone AR/AE, Zone AR/AO, Zone AR/A1-A30, Zone AR/A, Zone V, Zone VE, and Zones V1-V30. The 1-percent annual chance flood is also referred to as the base flood or 100-year flood. SFHA are defined as the area that will be inundated by the flood event having a 1-percent chance of being equaled or exceeded in any given year. The report usually contains detailed flood elevation data in flood profiles and data tables.įollow these links to the Effective Flood Insurance StudyĬontact the Floodplain management office at 40 for historical Maps, FIRMs and FIS.Flood hazard areas identified on the Flood Insurance Rate Map are identified as a Special Flood Hazard Area (SFHA). The flood study is usually completed for NFIP, and the information and maps presented in the report. ![]() This is a compilation of the flood risk data for specific watercourses, lakes and coastal flood hazard areas within a community. Generally, a FIRM will show the following įollow this link to check the Flood Insurance Rate Map for your property A property owner can use a FIRM to know the flood zone in which the property is located. This is the official map of a community on which Federal Emergency Management Agency (FEMA) has delineated both the Special Hazard Areas and the risk premium zones applicable to the community. 500-year flood limit: Areas of lower risks but still regulated by the CountyĬlick here to access DeKalb County’s Parcel Viewer with Flood layer.Ĭlick here to access FEMA Map Service Center.The 100- year flood limit (light blue): Any development in this area must fully comply with the County floodplain regulations on encroachments. ![]() Floodway (Striped Area): All encroachments into the County’s floodway are prohibited except for activities specifically allowed by the county's code ordinance such as, bridges, culverts, roadways and utilities and which shall comply with applicable floodplain regulations. ![]() The County’s flood map has the following features: Users can enter an address or location and the map will show the flood hazard information for the specified address area. It also show floodways and Base Flood Elevations ( BFEs) for all the studied areas. DeKalb County flood map shows flood risk zones and their boundaries. ![]()
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