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  • MKARNS Nav Notice No. SWL 25-05 Lock 13 Tow Haulage Out of Service

    The tow haulage equipment at James W. Trimble (No. 13) NM 292.8 is currently out of service. 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 25-04 WREC Differentials

    his is to advise mariners transiting the White River Entrance Channel (WREC) of increased head differentials between Norrell Lock and Dam and Montgomery Point Lock and Dam. 

  • MKARNS Nav Notice No. SWL 25-03 Lock 7 Reopened

    Repairs to the hydraulic piping at Murray Lock and Dam (No. 7) NM 125.4 have been completed. The lock is currently open to traffic.

  • MKARNS Nav Notice No. SWL 25-02 Lock 7 Closure

    Due to an unexpected hydraulic piping failure, Murray Lock and Dam (No. 7) NM 125.4 is currently closed to navigation until further notice. Crews are onsite making emergency repairs at this time. A follow up notice will be distributed as soon as the Lock is reopened to navigation.