Army Corps of Engineers presents updates on Charleston flood risk study VIDEO: Army Corps of Engineers presents updates on Charleston flood risk study By Paola Tristan Arruda | February 18, 2021 at 9:17 PM EST - Updated February 18 at 11:14 PM CHARLESTON, S.C. (WCSC) - Charleston city leaders say they are looking to put together the best plan to prevent flooding in the city. During a workshop on Thursday, the U.S. Army Corps of Engineers presented their optimized plan to city council to show them what they have been working on since receiving feedback on the Coastal Flood Risk Management Study back in April of last year.