Natural Disaster Risk in Edisto Island

Natural Hazard Profile: Edisto Island, South Carolina

Edisto Island, in Charleston County, is a town of roughly 2,826 residents situated near the Atlantic Coast of the southeastern United States. Its humid subtropical climate brings hot, humid summers and mild winters, and in particular an active hurricane season with direct storm threat to the coastline. These conditions collectively define the natural hazard environment that Edisto Island residents and property owners must navigate.

Edisto Island's overall natural disaster risk is rated 7.7/10 (High) by FEMA's National Risk Index. The risk of coastal inundation tops the local hazard profile, with the area exposed to storm surge, tidal flooding, and wave action during major coastal storm events. Secondary hazards include hurricane and earthquake.

Within South Carolina, Edisto Island's risk is, slightly above the 6.6/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Charleston County identifies coastal flood as the foremost hazard, followed by hurricane and earthquake. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Edisto Island residents benefit from taking preparedness seriously. Reviewing insurance coverage for coastal flood and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.