Flood Cleanup in Charleston, SC

Flood cleanup in Charleston has evolved from a crisis response service to a near-routine one for the city's most vulnerable neighborhoods, as accelerating sea level rise has transformed the flooding calendar from exceptional events to predictable monthly cycles at the highest king tide periods. The Charleston Peninsula's flood geography is a physical funnel: the Ashley and Cooper Rivers converge at the harbor's mouth, and any storm from the south or east pushes water up both river estuaries simultaneously, compounding the surge that arrives from the Atlantic directly. The historic district's Tradd Street, Legare Street, and South Battery waterfront streets — among the most historically valuable real estate in America — now flood during every major high tide cycle, and the flood cleanup operations that property owners used to call for once per decade are now on annual or more frequent maintenance schedules. The Market Street area's commercial flood cleanup requirements following events like the 2015 Hurricane Joaquin rainfall event, which brought 24 inches of rain over four days, demonstrated that the entire peninsula is now at near-continuous flood management status. FEMA's 2019 preliminary flood map revisions for Charleston County significantly expanded flood insurance requirement zones throughout the metro.