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  • USACE issues small craft advisory for Arkansas River

    The U.S. Army Corps of Engineers is issuing a small craft advisory for the McClellan-Kerr Arkansas River Navigation System in Arkansas. Heavy rainfall in eastern Oklahoma and western Arkansas over the last 24 hours has resulted in Arkansas River flows exceeding 70,000 cubic feet per second at Trimble Lock and Dam.

  • MKARNS Nav Notice No. SWL 25-16 Lock 2 Tow Haulage Out of Service

    The tow haulage equipment at Lock No. 2 (NM 13.3) is currently out of service. Double cut tows will have to be locked the conventional way (without the use of tow haulage). A follow up notice will be distributed when the tow haulage equipment is back in service.

  • Fishing Creek Campground temporarily closed for major waterline repairs

    The Lake Cumberland Resource Manager’s Office announces the temporary closure of Fishing Creek Campground due to essential repairs needed for the campground’s waterlines.

  • Public invited to comment on future land use at Cottage Grove and Dorena reservoirs

    The U.S. Army Corps of Engineers, Portland District (USACE), invites community members to participate in shaping the future of land management at Cottage Grove and Dorena reservoirs.

  • A legacy of service: Mark Eddings' 38-year journey with USACE

    After nearly four decades of dedicated service with the U.S. Army Corps of Engineers, Park Ranger Mark Eddings, is retiring. His career spans a remarkable 38 years, with 19 spent in the Little Rock District. From his early days in Tulsa to his final years in Little Rock, Eddings’ journey has been shaped by his passion for environmental stewardship and a deep connection to the lands he served.

  • First step for MILCON begins at Huntsville Center

    Before a shovel turns dirt on a new MILCON project, the first step in the process begins at Huntsville Center.

  • Weekend weather was wet, wasn’t worrisome

    Dry January is typically associated with people making New Years resolutions to stop drinking alcohol for the month, but the U.S. Army Corps of Engineers (USACE) is the original instigator of this fad. Many USACE dams have flood risk management as an authorized purpose, which means the agency uses them to help reduce flooding to downstream communities.

  • MKARNS Annual Navigation Notice No. 1-2025

    As a result of partnering efforts with navigation stakeholders, the attached consolidated Notice to Navigation Interests has been prepared for the McClellan-Kerr Arkansas River Navigation System (MKARNS). The intent is to provide consistency by reviewing and informing current district regulations with a joint notice that will be updated annually. The notice is applicable to the Little Rock (SWL) and Tulsa (SWT) Districts.

  • Tree waiver option available for property owners enrolled in federally funded debris removal

    A hazardous tree removal waiver has been established for property owners participating in the federally funded Private Property Debris Removal program, who wish to retain specific trees on their property. This waiver allows owners to retain certain trees identified by a professional arborist to be hazardous.

  • Low-Sill Control Structure: Physical Modeling Investigation—Potential Upstream Dike Fields

    Abstract: The model investigation reported herein describes the process to analyze the effects of proposed dikes in various locations upstream of the Low-Sill Control Structure (LSCS) using an existing 1:55 Froude-scaled physical model. The purpose of this effort was to utilize the physical model to explore potential configurations of river-training structures in the approach channel that would result in more uniform flow conditions at the structure. This analysis was conducted by constructing dikes out of both sandbags and rock. Each dike configuration was surveyed using lidar and then tested by collecting particle-tracking velocimetry data. A total of nine dike configurations were tested in the physical model, and the resulting flow fields in the approach channel were provided to the US Army Corps of Engineers, Mississippi Valley Division. Most configurations resulted in data that showed improved, straighter flow paths in the approach channel. The results of these tests indicated that an L-head dike configured as the 50 ft stone dike 1-23A provided relatively straight flow conditions approaching the LSCS with relative uniform velocities across the channel.