Notice is hereby given that, on February 9, 2023, the United States Army Corps of Engineers, Philadelphia District modified and reauthorized SPGP-18. The modification and reauthorization of this Department of the Army general permit has been conducted under the statutory authority of Section 10 of the River and Harbor Act of 1899 and Section 404 of the Clean Water Act. This general permit has been developed for certain categories of structures and work and the discharge of dredged and fill material in waters of the U.S. that require Department of the Army and State of Delaware authorizations. Activities typically authorized by SPGP-18 include work and structures such as bulkheads, breakwaters, piers, docks, pilings, rip rap, dredging and filling, etc. The modification and reauthorization of SPGP 18 was coordinated with other interested Federal agencies, the State of Delaware, and the general public. The full text of the reauthorization of SPGP-18 is available (Public Notice and Final Permit attachments).