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  • Agencies Recover Fuel Tank, Cleanup Continues at Tuttle Creek Lake

    The U.S. Army Corps of Engineers, U.S. Environmental Protection Agency Region 7, and the Kansas Department of Health and Environment announce that the submerged fuel tank at Tuttle Creek Lake was successfully recovered Wednesday, March 18. With the fuel release successfully contained within the cove, cleanup efforts are now the primary focus. Following the recovery of the tank, an inspection confirmed its contents were released into this contained area, where response crews continue to work on mitigation. The first round of testing from KDHE showed no fuel-related contaminants in the samples taken from the cove where the spill occurred. More extensive tests are being conducted downstream of the stilling basin to ensure conditions remain safe.
  • Mesh Convergence Study of Adaptive Hydraulics (AdH) Version 5.9

    Abstract: This report details performance and convergence tests of the Adaptive Hydraulics (AdH) v5.9 software suite on the Engineer Research and Development Center ONYX Cray X40/50 supercomputer. In particular, the performance of a recently developed monolithic model coupling AdH framework between the Richards equation for variable groundwater and surface water flows or for overland sloped conditions is studied. The effort is part of a quality assurance test of a recently restructured version of AdH. The report also includes a scalability analysis of AdH on a Cray system.
  • Restoring Biscayne’s Delicate Balance

    The brackish water was still as glass. As the sun rose from beneath a glaucous, marbled blanket of clouds, it saluted those waiting to see her display her fiery red-orange dress. If you focused solely on the magic transpiring in the bay, you could almost forget the traffic building nearby as 2.7 million residents set about their daily lives.
  • Light Availability Calculator for Identifying Suitable Habitat for Light-Limited Aquatic Vegetation

    Purpose: The purpose of this Ecosystem Management and Restoration Research Program Technical Note (EMRRP TN) is to introduce a geospatial Light Availability Calculator, designed to inform suitable habitat selection for light-limited, submerged aquatic vegetation (SAV) species. The need and intended use for the Light Availability Calculator is first described. Then, the scientific and mathematical formulations underpinning the calculator are explained. Finally, recommendations for calculator inputs reflective of various user needs (simple and rapid versus complex and time intensive) are described.
  • Corps of Engineers reduces Lake Ashtabula water releases

    The U.S. Army Corps of Engineers, St. Paul District, is reducing water releases at Baldhill Dam, near Valley City, North Dakota.
  • Don’t bet on the weather: The role hydropower plays in balancing the grid during extreme circumstances

    The power grid produces as it is consumed. Energy production rises and falls in tandem with human activity, allowing electricity to flow continuously into homes and businesses . However, this flow can be interrupted.
  • Army Corps of Engineers comes to Roseburg for a good time (not a long time)

    Army Corps of Engineers comes to Roseburg for a good time (not a long time)
  • USACE, SFWMD begins implementation of schedule adjustments intended to restore hydrologic conditions within Kissimmee River Basin

    JACKSONVILLE, Fla. -- (Aug. 14, 2024) The U.S. Army Corps of Engineers, Jacksonville District in coordination with the South Florida Water Management District (SFWMD) begins implementation of the Increment one Planned Temporary Deviation to the Interim Regulation Schedule for Lakes Kissimmee, Hatchineha and Cypress (Lakes KHC), which includes adjustments to the regulation schedule for these lakes. 
  • Pittsburgh District makes a splash with motorboat training

    Park rangers, lock operators and maintenance mechanics from across the U.S. Army Corps of Engineers Pittsburgh District attended a multi-day motorboat operator training at Crooked Creek Lake in Ford City, Pennsylvania, in June 2024.
  • A blast from the past: Pittsburgh District completes first demolition on historic Monongahela River dam

    The U.S. Army Corps of Engineers Pittsburgh District successfully breached the fixed-crest dam at the Monongahela River Locks and Dam 3 using controlled explosives near Elizabeth, Pennsylvania, July 10, 2024.