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  • Lower Granite Lock and Dam marks 50 years on the Snake River

    On July 10, 2025, the U.S. Army Corps of Engineers, Walla Walla District, celebrated the 3,200-feet-long Lower Granite Lock and Dam’s 50 years of service to the Pacific Northwest along with the generations of people who made it possible. Lower Granite Lock and Dam, located on the Snake River in southeastern Washington, includes a dam, navigation lock, powerhouse, fish ladder, and associated facilities. The project provides hydropower, navigation, flood risk management, fish and wildlife habitat, recreation, and incidental irrigation. The dam spans approximately 3,200 feet and has an effective height of 100 feet. It is a concrete gravity structure with an earthfill right abutment embankment.

  • USACE and Village of Glenwood Celebrate Stormwater Project Completion

    The U.S. Army Corps of Engineers, Village of Glenwood, and federal, state, and local officials gathered today to cut the ribbon on the newly completed South Regional Detention Area and Drainage Improvements Project.

  • Corps of Engineers announces elevation/flow changes at Lac qui Parle Dam

    The U.S. Army Corps of Engineers, St. Paul District, announced additional water level changes, today, Aug. 4, at its Lac qui Parle Lake Dam, near Watson, Minnesota, due to ongoing rain within the basin.

  • U.S. Army Corps of Engineers issues Finding of No Significant Impact in the Draft Supplemental Environmental Assessment for the Fort Myers Beach Harbor Federal Navigation Project (FMBH)

    The U.S. Army Corps of Engineers (USACE), Jacksonville District pursuant to the National Environmental Policy Act (NEPA), issues the Notice of Availability (NOA) of the Draft Supplemental Environmental Assessment (SEA) and Proposed Finding of No Significant Impact (FONSI) for the Fort Myers Beach Harbor Federal Navigation Project, Lee County, Florida (FMBH).

  • Acoustic and Seismic Wave Transmission Throughout the Multidomain Environment: Experimental Design, Methods, and Construction of a Prototypical Littoral Zone

    Abstract: The future operational environment is projected to be a multidomain, transparent battlefield in which the Army must be able to act as both a supported and supporting force. An accurate detection and interpretation of acoustic and seismic signals propagating across land-air-water (LAW) interfaces are required to meet future requirements of a fully “transparent” domain. The LAW domains converge at the significant contested littoral zones. Historically, interpreting signals crossing media boundaries has been studied by stovepiping each distinct medium. These fragmented perspectives led to discrepancies in boundary and adjacent media descriptions and media-specific governing physics. No comprehensive physics framework exists to accurately predict how disorderly waveforms freely traverse LAW media boundaries. To understand these complex phenomena, a highly controlled physical experiment was designed and implemented. Repeatable controls were conducted. Epistemic uncertainty was decreased, and high waveform fidelity was maintained in the experimental setup by not interfering with wave transmission or sensor accuracy between controls. This report summarizes the experimental design, implementation, challenges, and repeatability.

  • Mississippi River Commission to host 2025 Low Water Inspection trip as USACE marks 250 years of service

    VICKSBURG, Miss. – The Mississippi River Commission will conduct its annual Low Water Inspection Trip Aug. 15–22, 2025, as the U.S. Army Corps of Engineers observe its 250th anniversary year, commerating a legacy of service to the nation.

  • Honolulu District Safety Team Co-Publishes Case Study

    Joshua Moskowitz, U.S. Army Corps of Engineers Honolulu District Safety and Occupational Health Specialist, and Jeremy McCranie, previous Honolulu District Safety & Occupational Health Manager, recently co-published a case study in the International Journal of Construction Management.

  • Temporary full road closure dates for Highway 178 across Bull Shoals Dam revised

    – The U.S. Army Corps of Engineers has revised the temporary full road closure dates scheduled for Highway 178 across Bull Shoals Dam. The road will now be closed from 8 a.m. to 5 p.m. Aug. 5-6, 2025. The previously scheduled closure on Aug. 4 has been canceled.

  • MKARNS Nav Notice No. 25-55 Sailing Instruction Lock 8 Downstream Approach

    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 Toad Suck Lock (No. 8) NM 155.9.

  • Mobile District ranger portrays Bobber to promote water safety

    Every summer, as lakes and rivers in Alabama fill with boaters, swimmers, fishermen, and outdoor enthusiasts, one furry mascot emerges to deliver a life-saving message: Bobber the Water Safety Dog.