Notice is hereby given that the United States Army Corps of Engineers (USACE) Philadelphia District, proposes to reissue Delaware State Programmatic General Permit-20 (SPGP-20), initially issued on March 23, 1984, authorizing certain existing and proposed piers, docks, mooring piles, boat lifts, breakwaters, and the replacement of existing serviceable bulkhead structures in navigable waters of the United States within the geographic boundaries of the USACE Philadelphia District in the State of Delaware. The current SPGP-20 expires on December 31, 2024. The proposed reissuance of SPGP-20 includes additional special conditions 17 through 20 and minor clarifications throughout the document. More details are available in the "Public Notice" document and the sample of the proposed SPGP-20 Project Description and Special Conditions. Public comments are requested by July 11, 2024.