US Army Corps of Engineers
Charleston District Website

Charleston Peninsula, South Carolina: A Coastal Flood Risk Management Study


The Charleston Peninsula study is part of the U.S. Army Corps of Engineers' disaster recovery efforts funded by the Bipartisan Budget Act of 2018 (P.L. 115-123, February 9, 2018). The Charleston Peninsula study will evaluate possible actions to provide long-term coastal storm and flood risk management on the Charleston Peninsula. This study is proposed to be completed at a cost of $3 million (100% federally funded) and within three years from October 10, 2018, which is the date the agreement with the City of Charleston was signed.


The scope of the Charleston Peninsula Study is to investigate potential structural and nonstructural solutions to address coastal storm and flood risk to vulnerable populations, property, and infrastructure within the limits of the City of Charleston. The Charleston Peninsula, South Carolina has high levels of risk and vulnerability to coastal storms and flooding, which will be exacerbated by a combination of sea level rise and climate change over the study period. 

The Charleston District will perform the functional activities of a feasibility-level study in accordance with USACE SMART Planning and Civil Works Modernization guidance and milestones. This planning study will address engineering, economics, environmental impacts, and NEPA compliance.


The authority to study coastal South Carolina, including the Charleston Peninsula, was provided in the Rivers and Harbors Act of 1962, P.L. 87-874, Section 100, and Senate Committee Resolution. 

Study Sponsor

City of Charleston

Study Area

Charleston Peninsula


October 2018 -- Feasibility Cost Sharing Agreement 

December 2018 -- Alternative Milestone

February 2020 -- Tentatively Selected Plan

April 2020 - Release Draft Report for Public Review

October 2020 -- Agency Decision Milestone

October 2021 -- Chief of Engineer's Report

Study Cost

$3,000,000 (100% Federal)

Study Overview Map

(Click image for a larger version)




Please click here if you would like to address a question about the study to the Charleston Peninsula Study Project Manager.

If you would like to provide feedback on the study, please use the link in the top right corner of this page.