Be sure to check back every so often; the maps are sometimes redrawn as conditions change. [substeps] The main factor determining your risk is whether you are in a floodplain or not, which you can check with flood maps.
[header] How to prepare for a flood [title] Know your risk. [step] If you're new to an area, you can ask the county planning department whether your home is at risk for flooding. You can also check government sites for flood maps.