US Army Corps of Engineers
Little Rock District Website

MKARNS Nav Notice SWL 20-04 Locks 9, 13, 2 & 1 Closures-Revised Schedule

Published Jan. 16, 2020
Navigation Notice

Navigation Notice

The lock closure schedule identified in Navigation Notice No. SWL 20-02 has changed as shown below.  The locks listed below will be closed to navigation traffic 24 hours daily for the dates specified.  Sediment will be removed from the lock sills and hydrographic surveys will be performed in the center post receiver areas.  If the work is completed ahead of schedule, the lock will reopen at that time.   However, unforeseen problems could require additional time.

                Lock                                                         2020 Closure Dates

                Ormond Lock (No. 9)                      Feb 3(7 a.m.) – Feb 6(5 p.m.)     

                Trimble Lock (No.13)                      Feb 10(7 a.m.) – Feb 13(5 p.m.)

                Lock 2                                               Feb 24(7 a.m.) – Feb 27(5 p.m.)

                Norrell Lock (No.1)                          Mar. 3(7 a.m.) – Mar 6(5 p.m.)

Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office, at (501) 324-5739 or you may email


Kevin J. McDaniels

Chief, Operations Division

Little Rock District Operations Technical Suport Branch

Release no. 20-008