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Navigation Notices

Points of Contact

Navigation & Maintenance
(501) 324-5739

Reservoir Control
(501) 324-6237 

Pine Bluff Project Office
(870) 534-0451

Russellville Project Office
(479) 968-5008

Montgomery Pt L&D 
(870) 548-3400

Norrell Lock
(870) 548-2796

Lock No. 2
(870) 548-2791

Joe Hardin Lock
(870) 479-3164

Emmett Sanders Lock
(870) 534-2127

Col Charles D. Maynard Lock
(501) 842-2761

David D. Terry Lock
(501) 961-9281

Murray Lock
(501) 663-1997

Toad Suck Ferry Lock
(501) 327-0853

Arthur V. Ormond Lock
(501) 354-8402

Dardanelle Lock
(479) 890-4987

Ozark-Jeta Taylor Lock
(479) 667-2120

James W. Trimble Lock
(479) 452-0488

Navigation Notices

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Archive: 2024
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  • MKARNS Nav Notice No. SWL 24-03 MPLD Nav Pass Open

    Due to increased river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is lowered and the navigation pass is open.   When the Montgomery Point Lock and Dam tailwater elevation drops below 115 ft., the navigation pass will be closed.

  • MKARNS Nav Notice No. SWL 24-02 Lock 2 Closure

    Lock No. 2 (NM 13.3) will be closed to traffic beginning at 7 a.m. on February 5, 2024, until 7 p.m. on February 9, 2024. This is to allow workers to upgrade the lock interlock system which is an integral safety function of the Lock.

  • 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.

river vessel with barges in tow on river

2023 MKARNS Waterway Action Plan
(pdf reader required)

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