A Sandlapper's Journal

A flooded street in downtown Charleston with stormwater flowing into a drain, with the steeple of St. Philips Church in the background

A Check on Tidal Street Flooding

Charleston combats tidal flooding by installing check valves in stormwater drains, effectively reducing street flooding during high tides. Early results are promising, and the city plans broader implementation.

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Satellite image of Hurricane Hugo making landfall at Charleston in September 1989

After Hugo: A Stronger Charleston

Charleston became stronger after Hurricane Hugo in 1989 by improving its building codes, ecosystems, infrastructure, emergency preparedness, and economic diversity. Measures were taken to reduce the vulnerability and enhance the resilience of the Lowcountry to future storms.

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Flood Insurance Map for a part of Sullivan's Island

New Flood Zone Maps

Updated flood zone maps for Charleston County will take effect in January 20211. The maps are based on more accurate data and methods that reflect the flood risks from storm surge, rainfall, and tidal forces2. The maps will impact homeowners and insurance rates, with some properties seeing lower rates and others seeing higher rates.

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