Land areas that are at high risk for flooding are called Special Flood Hazard Area (SFHAs), or floodplains. Special Flood Hazard Areas 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. This may also be referred to as the base flood or 100-year flood. Some floodplains experience frequent flooding, while others are affected only when there is a severe storm. Floodplains have different flood zone designations which are mapped by FEMA and indicated on Flood Insurance Rate Maps (FIRMs). A home in a Special Flood Hazard Area is three times more likely to be damaged by a flood than a fire. Even if your home is on high ground, it can still be damaged in an extreme flood event. View the City's floodplain map to see Arvada's regulated floodplains. For more information or to determine if a specific property is located in a Special Flood Hazard Area, please visit our flood facts webpage at arvada.org, submit a service request or call the Engineering Division at 720-898-7640.
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