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Navigation

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

Results:
Archive: September, 2024
Clear
  • MKARNS Nav Notice No. SWL 24-76 Lock Closure Forecast

    The purpose of this Navigation Notice is to provide forecasted lock closures for the 110-ft Stoplog Conversion projects in 2025. The information below is considered tentative and the closure details could change depending on site conditions, construction means and methods and other variables.
  • MKARNS Nav Notice No. SWL 24-74 Lock 9 Tow Haulage Out of Service

    The tow haulage equipment at Ormond Lock (No. 9) NM 176.9 is currently out of service due to electrical issues. 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 Nav Notice No. SWL 24-73 Lock 10 Closure Notice Update

    The partial lock closure for Dardanelle Lock (No. 10) NM 205.5, as stated in Nav Notice SWL 24-56, has been extended and is scheduled to last until November 2nd, 2024, Monday through Saturday each week.
  • MKARNS Nav Notice No. SWL 24-72 USCG Advisory Rob Roy Bridge Closure

    The Rob Roy Railroad Drawbridge will be closed to navigation from 6 a.m. through 1 p.m. on September 17, 2024. The closure is to allow crews to perform signal cutovers.

river vessel with barges in tow on river

2023 MKARNS Waterway Action Plan
(pdf reader required)