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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: June, 2013
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  • NAV NOTICE SWL 13-29 MKARNS SAILING INSTRUCTIONS

    MKARNS - Due to possible shoaling, mariners are advised that until further notice, both upbound and downbound tows should run the green line while between NM 178.4 and NM 179.4, 50 feet off the red line between NM 224.7 and 225.5, and the red line between NM 249.0 and 250.0.

  • NAV NOTICE SWL 13-28 & 2013-12 MKARNS JOINT NOTICE ON RESUMPTION OF 24-HOUR LOCKING

    MKARNS - Effective July 1, 2013, the daily closures implemented as part of the Inland Marine Transportation System (IMTS) Levels of Service initiative will cease at the Locks of Ozark (No. 12) NM 256.8, Trimble (No. 13) NM 292.8, Webbers Falls (No. 16) NM 366.6, Chouteau (No. 17) NM 401.4 and Newt Graham (No. 18.) NM 421.6.

  • NAV NOTICE SWL 13-27 MKARNS NOTICE OF TEMPORARY LOCK CLOSURES

    MKARNS - The following daily lock closures will be temporarily suspended for the Big Bass Bonanza fishing tournament along the Arkansas section of the Arkansas River:

  • NAV NOTICE SWL 13-26 MKARNS - TOW HAULAGE PROCEDURES DURING HIGH FLOWS

    MKARNS - This notice is a reminder to mariners that during high flows on the McClellan-Kerr Arkansas River Navigation System, the following procedures will be in effect.

  • NAV NOTICE SWL 13-25 MKARNS - LOCK CLOSURE AND INTERMITTENT DELAYS

    MURRAY L&D - Mariners are advised that continued intermittent delays may be experienced at Murray Lock and Dam (No. 7) NM 125.4 daily from 7:00 a.m. to 5:30 p.m. through June 17, while repair of the parapet wall takes place. The lock will be closed to navigation traffic from 8:00 a.m. to 11:00 a.m. on June 18 to place concrete on the upstream long wall.

  • NAV NOTICE SWL 13-24 MKARNS CAUTION ADVISORY AT NM 119.4

    Little Rock, AR - Mariners are advised to use caution at NM 119.4 due to repairs to the slope failure on the right descending bank (Arkansas River Bike Trail).

  • NAV NOTICE SWL 13-23 MKARNS SAILING INSTRUCTIONS

    MKARNS - Due to possible shoaling, Mariners are advised that until further notice, both upbound and southbound tows should run the green line while between NM 178.5 and NM 179.5

  • NAV NOTICE SWL 13-22 MKARNS - TEMPORARY SUSPENSION OF LOCK CLOSURES

    OZARK JETA-TAYLOR L&D and JAMES W. TRIMBLE L&D - Due to rainfall across Oklahoma and Arkansas in the past several days, Ozark-Jeta Taylor L&D (No.12) NM 256.8 and James W. Trimble L&D (No. 13) NM 292.8 will suspend their daily lock closure for maintenance periods until flows recede.

river vessel with barges in tow on river

2023 MKARNS Waterway Action Plan
(pdf reader required)

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