![]() ![]() Even next-door neighbors can have significant differences in flood risks, largely due to differences in elevation, proximity to water or wetlands, and proximity to flood risk reduction projects. Why is my Flood Factor different from my neighbor’s?īecause Flood Factors are determined based on potential flood depths and 30-year flood likelihoods at the property parcel level, they often vary across and within neighborhoods. Please note, as Risk Factor is updated, property Flood Factor's, such as a score, may change. While the Risk Factor experience is updated regularly, a full Flood Model refresh occurs annually. The Risk Factor team is continuously working to refine its flood model methodology and incorporate new information into Risk Factor. If something looks like it is missing or incorrect, please let the Flood Factor know by using the Help Center contact forms. This includes community flood risk reduction projects such as levees, seawalls, and pump stations. Properties cannot be removed directly through Flood Factor however, we encourage you to share information that could impact your property's Flood Factor. How can I remove a property from Flood Factor?įlood Factor is a product of the First Street Foundation, a non-profit committed to making flood risk information free and accessible to all. The model also considers future environmental changes, which FEMA itself has acknowledged the need to be integrated into its flood maps. The comprehensive model integrates all major flood types, from tides, coastal surges, rains, and rivers, and uses historical flooding events to validate risk. Like all flood models, it's intended to help identify potential flood risks, and Flood Factor users are encouraged to follow up with qualified professionals and supplement this information with additional research and documentation they might have. How accurate is Flood Factor?ĭata on Flood Factor comes from the First Street Foundation Flood Model and was built upon decades of peer-reviewed research and developed in partnership with more than 80 world-renowned experts. Properties with higher Flood Factors are either more likely to flood, more likely to experience high floods or both. A property's Flood Factor is not only a score ranging from 1-10, it is a comprehensive risk assessment including a property's thirty-year risk of flooding from high-intensity rainfall, overflowing rivers and streams, high tides, and storm surges. What is Flood Factor?įlood Factor® is a free, easy-to-use online tool that makes it easy to learn about a property’s current and future risk of flooding, discover its flood history, and understand how its flood risk is changing over time because of a changing environment. Use Risk Factor to learn the annual and cumulative likelihood of water reaching your home so you can prepare for and mitigate risks before they become a reality. Risk Factor ™ is a free online tool created by the nonprofit First Street Foundation ® that makes it easy for Americans to find their property’s risk of flooding and understand how flood risks are changing because of a changing environment. ![]() Answers to frequently asked questions regarding Flood Factor scores, accuracy, probabilities, and understanding of our risk assessments. ![]()
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