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Archive: March, 2025
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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.

  • 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.