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  • MKARNS Nav Notice No. SWL 24-20 Lock 7 Intermittent Delays

    Mariners should expect to experience intermittent delays at Murray Lock (No. 7) NM 125.4 beginning March 18 through March 21, 2024, between the hours of 7:00 a.m. and 5:30 p.m. daily. The intermittent delays are required to facilitate an underwater dive inspection of the Lock chamber.
  • MKARNS Annual Navigation Notice No. 1-2024

    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.
  • NAVIGATION NOTICE: SWL 23-56 - McClellan-Kerr Arkansas River Navigation System

    Mariners are advised that crews will be placing rip rap around the Van Buren Railroad Bridge (NM 300.8).  Work will be performed daily from 6 a.m. to 6 p.m., September 25 through October 4, 2023.  Mariners may contact the onsite workboat, M/V Pine Bluff, on VHF-FM channel 16 or 78 or by phone at (318) 452-5448.  Mariners are advised to transit the area with caution.
  • Navigation Notice: SWL 23-55 McClellan-Kerr Arkansas River Navigation System

    Due to shoaling, mariners are advised that until further notice, both upbound and downbound tows should favor the short wall in the downstream approach at Montgomery Point Lock and Dam (NM 0.5). Also, a 70-ft width restriction is in place to reduce the risk of grounding in the area. Crews are being dispatched to perform digging and clamming operations in the reach. A subsequent navigation notice will be issued once the shoaling has been cleared and the 70-ft width restriction has been lifted.
  • USACE cautions lake users on low water conditions at Beaver Lake

    The U.S. Army Corps of Engineers is cautioning boaters about low water conditions at Beaver Lake.
  • Caution: Warning horn below Beaver Dam not working

    ROGERS, Ark. - The U.S. Army Corps of Engineers is alerting everyone downstream of Beaver Dam that the warning horn that sounds before a change in water levels is currently not working.
  • SEPTEMBER 17 MARKS END OF SUMMER FOR GREERS FERRY LAKE

    HEBER SPRINGS, Ark. – Fall is quickly approaching and with it the end of the summer recreation season at Greers Ferry Lake. There are still several days to enjoy all that the lake has to offer. Cooler temperatures reduce traffic allowing visitors to take advantage of many recreational opportunities with a more relaxing approach.