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  • MKARNS NAVNOT 26-15 Lock 9 Repair Closure

    Mariners are advised that Arthur V. Ormond (No. 9) NM 176.9 will be closed to traffic beginning at 6:00 a.m. until 6:00 p.m. on April 21st, 2026. The lock closure is required to facilitate ongoing work on the miter gate operational equipment.

  • MKARNS Nav Notice 26-14 Lock 7 Tow Haulage Return to Service

    The tow haulage equipment at Murray Lock (No. 7) NM 125.4 has returned to service.

  • MKARNS Nav Notice SWL 26-12 Lock 2 Tow Haulage Return to Service

    The tow haulage equipment at Lock No. 2 (NM 13.3) has been repaired and returned to service.

  • MKARNS Nav Notice SWL 26-11 MPLD NavPass 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.

  • MKARNS Nav Notice SWL 26-10 MPLD Reopened - Width Restrictions

    Mongomery Point Lock & Dam (NM 0.5) has reopened to navigation traffic 24-hours per day. However, a 70-ft width restriction remains in place. All mariners are advised to exercise extreme caution when transiting the lock. Tows should align with the land wall when nearing the downstream approach to avoid contact with the downstream river wall miter gate. Additionally, mariners should continue to expect longer than normal lockage times. These locking instructions will remain in place until further notice.

  • MKARNS Nav Notice SWL 26-09 MPLD Partial Lock Reopening - Width Restrictions

    Due to ongoing hydraulic system repairs on the downstream river wall miter gate, Montgomery Point Lock & Dam (NM 0.5) is operating under the following restrictions until further notice: • Daily Closure: The lock will be closed to all traffic from 6 a.m. to 6 p.m. daily to allow for repair work. • Limited Opening: The lock will be available for transit from 6 p.m. to 6 a.m. daily. • Width Restriction: A 70-foot width restriction is in effect during operating hours.

  • MKARNS Nav Notice SWL 26-08 MPLD Unscheduled Closure

    Due to issues with the hydraulic system, Montgomery Point Lock and Dam (NM 0.5) is currently closed to traffic. Crews are onsite investigating the issue and will reopen the lock as soon as the repairs are completed. A subsequent Navigation Notice will be issued when the lock is reopened.

  • MKARNS Nav Notice SWL 26-07 MPLD Nav Pass Closed

    Due to falling river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is in operation and the navigation pass is closed. All vessels are required to pass through the lock until further notice.

  • MKARNS Nav Notice SWL 26-04 MPLD NavPass Closed

    Due to falling river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is in operation and the navigation pass is closed.  All vessels are required to pass through the lock until further notice.

  • MKARNS Nav Notice SWL 26-03 MPLD NavPass 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.