Go to the FEMA website and use their mapping tool (Map Viewer) to help you determine whether your project is in Zone A (the 100-year floodplain). See the example of FEMA 100-year floodplain research in the Documentation Toolkit. Use the following steps:
- Search by your project address, or state and zip code.
- Use the legend to determine whether your project is in Zone A.
- If your project is in Zone A, determine the elevation of the 100-year floodplain and see if your project is at least five feet above this elevation.
- If your project is not located in Zone A, your site is in compliance.
- If you zoom in to the state or county level first, you will be able to see data that may not be obvious at the address level; projects in areas corresponding to “DFIRM Data Availability” will have the most luck in easily determining their floodplain.
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