St. Augustine Back Bay, FL

May 2023


St. Augustine Back Bay, FL
Investigations (I)
Congressional Districts: 5, 6


The authorized study will include the identification and evaluation of alternatives and preparation of a decision document that recommends a coordinated and implementable solution to minimize future storm damages which includes life threatening flooding in the nation’s oldest city of St. Augustine, Florida. The city has experienced billions of dollars in damages because of recent major hurricane events including Hurricane Matthew in 2016 and Hurricanes Ian and Nicole in 2022.


Estimated Total Cost $3,000,000
Estimated Federal Cost      $1,500,000

a. Regular Civil Works Funds:

Allocation thru FY22 $0
Allocation for FY23 $1,200,000
President's Budget FY24 $300,000


City of St. Augustine Florida
75 King Street
St. Augustine, Florida 32085


The Feasibility Cost Share Agreement (FCSA) was officially signed on 9 January 2023 followed by completion of the Alternatives Milestone Meeting (AMM) on 1 May 2023. On 5 May 2023, the Project Delivery Team (PDT) officially submitted the Vertical Team Alignment Memo (VTAM) seeking concurrence for a study scope that will require $7.3 million and 5 years and 9 months to complete the Chief of Engineers Report. This additional time/funding is needed due to the large geographic study area which includes 17 distinct neighborhoods, 3 separate land masses and multiple interconnected waterbodies to include 2 environmental justice neighborhoods (Ravenswood and Oyster Creek). Key upcoming milestones include the Tentatively Selected Plan (TSP) on 2 February 2027, the Alternatives Decision Milestone (ADM) on 3 November 2027 and Chief of Engineers Report on 15 September 2028.  

Map of St Augustine Back Bay; click for full-sized map.