Flood maps refer to areas of high, medium or low risk as “flood hazard zones” and the zones of highest risk as “Special Flood Hazard Areas.”
|Risk Level||Flood Hazard Zone|
|High Flood Risk||AE, A, AH, AO, AR, A99 Zone. These properties have a one-percent-annual-chance of flooding in any year – and a 26 percent chance of flooding over the life of a 30-year mortgage. Statistics show they also have a much greater chance of having a flood than a fire.
Insurance note: High-risk areas are called Special Flood Hazard Areas, and flood insurance is mandatory for most mortgage holders *
|Moderate or Low Flood Risk||Shaded X Zone. These properties are outside the high-risk zones and are in areas of moderate flood risk. Remember: the risk is reduced, but not removed.
X Zone. These properties are in an area of overall lower risk.
Insurance Note: Lower-cost preferred rate flood insurance policies (known as Preferred Risk Policies) are often an option in these areas.
|Undetermined Risk||D Zone. The D zone designation is used for areas where there are possible but undetermined flood hazards. In areas designated as a D zone, no analysis of flood hazards has been conducted. Flood insurance is optional and available.|
|* Required for loans provided by federally regulated and insured lenders as well as Government Sponsored Enterprises such as Freddie Mac and Fannie Mae|