Flooding Risk by US State — Maps, Data & Home Preparedness | HomeRiskMap

Flooding is the most common and costly natural disaster in the United States, affecting every state.

How to prepare your home

Check your address on the FEMA flood map and learn your flood zone.
Consider flood insurance — standard homeowners policies do not cover flood damage.
Elevate utilities (furnace, water heater, electrical panel) above potential flood levels.
Install check valves in plumbing to prevent backflow.
Keep gutters and storm drains clear and grade your yard away from the foundation.

Official sources

All states ranked by flooding risk

Florida Florida is among the most exposed states in the nation when it comes to flooding. The risk is very high, and… Very High Louisiana Louisiana is among the most exposed states in the nation when it comes to flooding. The risk is very high,… Very High Texas Texas is among the most exposed states in the nation when it comes to flooding. The risk is very high, and… Very High Alabama Alabama faces a high risk of flooding, rated level 4 out of 5, due to its extensive coastline, numerous… High Arkansas flooding represents a high risk for homeowners in Arkansas. Damaging events occur frequently, and preparing… High California flooding represents a high risk for homeowners in California. Damaging events occur frequently, and preparing… High Delaware flooding represents a high risk for homeowners in Delaware. Damaging events occur frequently, and preparing… High Georgia flooding represents a high risk for homeowners in Georgia. Damaging events occur frequently, and preparing… High Hawaii flooding represents a high risk for homeowners in Hawaii. Damaging events occur frequently, and preparing… High Illinois flooding represents a high risk for homeowners in Illinois. Damaging events occur frequently, and preparing… High Indiana flooding represents a high risk for homeowners in Indiana. Damaging events occur frequently, and preparing… High Iowa flooding represents a high risk for homeowners in Iowa. Damaging events occur frequently, and preparing your… High Kentucky flooding represents a high risk for homeowners in Kentucky. Damaging events occur frequently, and preparing… High Maryland flooding represents a high risk for homeowners in Maryland. Damaging events occur frequently, and preparing… High Mississippi flooding represents a high risk for homeowners in Mississippi. Damaging events occur frequently, and… High Missouri flooding represents a high risk for homeowners in Missouri. Damaging events occur frequently, and preparing… High New Jersey flooding represents a high risk for homeowners in New Jersey. Damaging events occur frequently, and preparing… High New York flooding represents a high risk for homeowners in New York. Damaging events occur frequently, and preparing… High North Carolina flooding represents a high risk for homeowners in North Carolina. Damaging events occur frequently, and… High North Dakota flooding represents a high risk for homeowners in North Dakota. Damaging events occur frequently, and… High Ohio flooding represents a high risk for homeowners in Ohio. Damaging events occur frequently, and preparing your… High Oklahoma flooding represents a high risk for homeowners in Oklahoma. Damaging events occur frequently, and preparing… High Oregon flooding represents a high risk for homeowners in Oregon. Damaging events occur frequently, and preparing… High Pennsylvania flooding represents a high risk for homeowners in Pennsylvania. Damaging events occur frequently, and… High South Carolina flooding represents a high risk for homeowners in South Carolina. Damaging events occur frequently, and… High Tennessee flooding represents a high risk for homeowners in Tennessee. Damaging events occur frequently, and preparing… High Virginia flooding represents a high risk for homeowners in Virginia. Damaging events occur frequently, and preparing… High Washington flooding represents a high risk for homeowners in Washington. Damaging events occur frequently, and preparing… High West Virginia flooding represents a high risk for homeowners in West Virginia. Damaging events occur frequently, and… High Alaska Alaska faces significant flooding risks from snowmelt, ice jams, heavy rainfall, and coastal storm surges.… Moderate Arizona Arizona has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Colorado Colorado has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Connecticut Connecticut has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate District of Columbia District of Columbia has a moderate risk of flooding. Damaging events happen regularly enough that homeowners… Moderate Idaho Idaho has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Kansas Kansas has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Maine Maine has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Massachusetts Massachusetts has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Michigan Michigan has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Minnesota Minnesota has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Montana Montana has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Nebraska Nebraska has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate New Hampshire New Hampshire has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate New Mexico New Mexico has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Rhode Island Rhode Island has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate South Dakota South Dakota has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Utah Utah has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Vermont Vermont has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Wisconsin Wisconsin has a moderate risk of flooding. Damaging events happen regularly enough that homeowners should… Moderate Nevada flooding poses a low risk in Nevada. Significant events are infrequent, but localized incidents do occur and… Low Wyoming flooding poses a low risk in Wyoming. Significant events are infrequent, but localized incidents do occur and… Low

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