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  • Particle Size Characteristics of Energetic Materials Distributed from Low-Order Functioning Mortar Munitions

    Abstract: Particles of explosive filler distributed from low-order (LO) munition functioning are susceptible to dissolution and potential mobilization into groundwater and surface water. We command-initiated three mortar munitions as LO in triplicate using a fuze simulator and recovered particles from an ice surface to constrain LO particle characteristics. Total explosive mass recovery (19–55%) and spatial distribution (0->20 m) varied significantly both between munitions and between replicate LOs of the same munition. The median particle size (0.27–3.99 mm) varied with total mass recovery. In general, LO particles coarsened, and total mass deposition rates decreased logarithmically, with increasing distance from the initiation point.

  • Lake Sidney Lanier closing Buford Dam Park for Labor Day Weekend

    The U.S. Army Corps of Engineers, Mobile District and the Lake Sidney Lanier Resource Office are closing Buford Dam Park for Labor Day Weekend due to a failed beach water test.

  • USACE, GLO Sign Memorandum for Design Work on Coastal Texas Project

    The U.S. Army Corps of Engineers (USACE) Galveston District (SWG) signed a Memorandum of Understanding (MOU) with the Texas General Land Office (GLO) for design work on the Coastal Texas Project's ecosystem restoration measures and the coastal storm risk management measure on South Padre Island.

  • Army Corps announces temporary Tatman Run Recreation Area closure

    The U.S. Army Corps of Engineers, Baltimore District, in coordination with Pennsylvania Department of Transportation (PennDOT), will close Tatman Run Recreation Area to clear way for the finalization of a stream bank repair and bridge project by the entrance to the park on Route 994. The closure is effective Tuesday, Sep. 3, 2024, with restored access to Tatman Run Boat Launch estimated to be in October 2024.

  • Lieutenant Colonel Donald K. Lew Promoted in USACE Ceremony

    Lieutenant Colonel Donald K. Lew was promoted from Major to Lieutenant Colonel during a ceremony on August 28, 2024, at the Transatlantic Middle East District (TAM) Headquarters in Winchester, VA. The event, attended by family, friends, and distinguished guests, highlighted Lew’s exceptional service and potential for future leadership.

  • USACE conducting small releases from C-44 Reservoir to prepare for storms

    The U.S. Army Corps of Engineers, Jacksonville District (USACE) began making low-flow releases from the C-44 reservoir Monday to create storage for potential large rainfall events due to the reservoir approaching its current maximum operational depth of 10 feet.

  • Far East District’s Eliot R. Bignell selected for ERDC University

    Eliot Bignell, a project manager for the Far East District, has been chosen as a participant for the 2024 session of the Engineer Research and Development Center University (ERDC-U).

  • USACE updates road status at Francis E. Walter Dam

    The U.S. Army Corps of Engineers Philadelphia District announced that the roadway across the top of the Francis E. Walter Dam has re-opened to vehicular traffic following the completion of maintenance work. It’s important to note that the park access road is not designed as a through road. Federal law prohibits vehicles with a gross vehicle weight above 32,000 pounds (16 tons) from traveling across the dam. Vehicles with a gross vehicle weight above 32,000 pounds should find an alternate route.

  • Columbia Pool boat ramps closed due to three foot draw down on Ouachita River

    VICKSBURG, Miss. – Seven Corps of Engineers managed boat ramps on the Ouachita River have been closed due to a recent three foot draw down on the Ouachita River above the Columbia Lock and Dam, located approximately seven miles upstream of Columbia, LA.

  • Army announces civil works investments in small, disadvantaged communities

    WASHINGTON – Michael L. Connor, assistant secretary of the Army for Civil Works, announced today during a visit to the Navajo Nation in northeastern Arizona that 12 communities from across the country will be the first to participate in a pilot program specifically designed to make federal investments in small or economically disadvantaged communities.