MKARNS: Lock 1 Closure (Update)

Notice Number: SWL 22-63
Date: 11/22/2022 thru 11/26/2022

Lock 1 will change to 24-hour operation at 7:01 p.m. today through 6:59 a.m., November 26. The current 70-foot width restriction will remain in place during this time.

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