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  • MKARNS Nav Notice No. SWL 25-31 Lock 5 DS Appr - Sailing Instruction

    Due to shoaling, mariners are advised that until further notice, both upbound and downbound tows should favor the long wall in the downstream approach to Colonel Charles D. Maynard Lock (No. 5) NM 86.3.

  • Mississippi River Visitor Center Operating Days Change

    Starting May 20, the Mississippi River Visitor Center operated by the U.S. Army Corps of Engineers, Rock Island District, at Locks and Dam 15 on the Rock Island Arsenal will be open to the public from 9 a.m. to 4 p.m., Tuesday-Friday each week.

  • U.S. Army Corps of Engineers MURDEN Dredges Naval Station Guantanamo Bay

    GUANTANAMO BAY, CUBA (May 12, 2025)–Waterway Navigation is the U. S Army Corps of Engineers’ (USACE) earliest Civil Works mission. Naval Station Guantanamo Bay, Cuba, called upon the Wilmington District’s Dredge MURDEN for an innovative mission to help clear critical shoaling to maintain safe and efficient navigation conditions for military and commercial vessels in the harbor.

  • Missouri River upper basin runoff forecast lowered due to dry conditions

    The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. April runoff in the Missouri River Basin above Sioux City was 1.4 million acre-feet, 48% of average.

  • Severe storms impact repair timeline at Wilson Lock

    The Wilson Lock gate repair project has experienced a schedule shift due to a combination of weather delays, technical challenges, and the sequencing of critical path tasks. These factors have resulted in a delay of three weeks, extending the project's completion date from mid-June to early July 2025.

  • Chickamauga Lock approach wall receives second nose pier delivery

    Progress continues on the Chickamauga Lock Replacement Project as the U.S. Army Corps of Engineers Nashville District successfully delivered a second massive nose pier, a key structure that guides vessels into the new lock chamber. The milestone keeps the project on track for contract completion in 2026 and full operation by 2028, with the new lock expected to boost capacity by 80% and improve commercial navigation efficiency on the Tennessee River.

  • Miter gate installation begins at Chickamauga Lock

    CHATTANOOGA, Tenn. (April 18, 2025) – The U.S. Army Corps of Engineers Nashville District, in partnership with Shimmick Construction and Tennessee Valley Authority, recently began erecting massive miter gates for the Chickamauga Lock Replacement Project. This milestone brings the project closer to its goal of enabling both recreational vessels and commercial barges to pass through the new lock chamber, a critical step in modernizing regional infrastructure.

  • Corps to host public informational meeting in Prairie du Chien, Wis., May 13

    The U.S. Army Corps of Engineers, St. Paul District, will host an informational meeting to introduce the public to its ongoing work in the areas of Pools 8 through 10 of the Upper Mississippi Area, May 13, from 4-5:30 p.m. A presentation will begin at 4:30 p.m.

  • Corps of Engineers opens Minneapolis locks for navigation season

    The U.S. Army Corps of Engineers, St. Paul District, is opening its Lower St. Anthony Falls Lock and Dam and Lock and Dam 1, both in Minneapolis, to commercial and recreational vessels for the navigation season on Sunday, April 20.

  • Missouri River upper basin runoff continues below average forecast

    The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. March runoff in the Missouri River Basin above Sioux City was 2.3 million acre-feet, 76% of average.