My property was never in the flood plain before, why is it in the flood plain now?

FEMA completed two remappings of Winnetka’s flood plains, one in November 2000 and one in August 2008. Due to increased rainfall intensities and various other topographic changes, the Base Flood Elevation rose approximately 9 inches, as part of the 2000 remapping. In addition, the 2008 remapping and modernization more accurately reflects the flood plain limits north of Willow Road.

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1. What is the 100-year flood plain?
2. What regulations must be followed for construction within and adjacent to the flood plain?
3. What is the Base Flood Elevation (BFE)?
4. What is the Flood Protection Elevation (FPE)?
5. When is my house considered in the flood plain?
6. My property was never in the flood plain before, why is it in the flood plain now?
7. When do I need to buy flood insurance?
8. Can I build in the flood plain?
9. Are there any restrictions for construction for homes adjacent to the 100-year flood plain?
10. What are the criteria for being able to construct a new home with a basement in the 100-year flood plain?
11. Can I make improvements to my existing home in the flood plain?
12. What is compensatory storage?
13. How can I find out if my property is located within the flood plain?