MKARNS Nav Notice SWL 21-27 Lock 6 Scheduled Delays and Closure

Little Rock District Operations and Technical Support Branch
Published July 22, 2021
Navigation Notice

Navigation Notice

As previously noted in Navigation Notice 20-60, David D. Terry Lock (No. 6) NM 108.1, will experience intermittent delays or will be closed to navigation traffic on the following dates for the actions listed below.


  Dates                                                              Reason

Aug 16-26 (intermittent delays)                Cleaning and preparation for lock dewatering

Aug 27-Sep 9 (closed)                                  Lock Dewatering


Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office, at (501) 324-5096 or you may email



Christopher B. Roark

Chief, Operations Division

Little Rock District Operations Technical Support Branch

Release no. 21-075