Can include areas inundated by 0.2% annual chance flooding areas inundated by 1% annual chance flooding with average depths of less than 1 foot or with drainage areas less than 1 square mile areas protected by levees from 1% annual chance flooding or areas outside the 1% and 0.2% annual chance floodplains. These zones are shown on the FIRM as shaded "X" zones.Īnnual Probability of Flooding of Less than 0.2%Īreas outside the 500-year flood plain with less than 0.2% annual probability of flooding.Īnnual Probability of Flooding of Less than 1%Īreas outside a "Special Flood Hazard Area" (or 100-year flood plain).
This is an area inundated by 1% annual chance flooding for which no base flood elevations have been determined.Īnnual Probability of Flooding of 0.2% to 1%Īreas between the limits of the 100-year and 500-year flood or certain areas subject to 100-year flood with average depths less than 1 foot or where the contributing drainage area is less than 1 square mile or areas protected by levees from the 100-year flood. This area has been delineated based on available information on past floods. No distinctions have been made between the different flood hazard zones that may be included within the SFHA.Īn area designated as a "Flood Prone Area" on a map prepared by USGS and the Federal Insurance Administration. Base flood elevation determined.Īreas in a "Special Flood Hazard Area" (or 100-year flood plain). Confirm that your property has been placed in a low-risk flood zone (known as Zone X). Base flood elevation undetermined.īoth VE and V1-V30 represent areas subject to 100-year flood and additional velocity hazard (wave action). The cost of flood insurance varies by state with typical numbers as low as 481 in Florida and as high as 3,647 in Vermont. Subject to 100-year flood and additional velocity hazard (wave action). Subject to 100-year flood, with federal flood protection system (levee/dam) under construction. Subject to 100-year shallow flooding (usually sheet flow on sloping terrain) with average depth of 1-3 feet. Subject to 100-year shallow flooding (usually areas of poundings) with average depth of 1-3 feet.
For that reason, most of the time with flood zone X youve got a rate of between 300 and 500 a year. In the City of Northville, the particular flood zones are A, AE and X. Because its a preferred zone, FEMA would rather you be proactive when it comes to protecting your belongings and protecting your structure. The Federal Emergency Management Agency (FEMA) identifies a flood plain as land. Base flood elevation undetermined.īoth AE and A1-A30 represent areas subject to 100-year flood with base flood elevation determined. Flood zone X actually has some of the best rates out there. The table below explains the flood zones that can be viewed on a community's flood insurance rate map (FIRM):Īnnual Probability of Flooding of 1% or greater Each flood zone describes the flood risk for a particular area, and those flood zones are used to determine insurance requirements and costs.
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