MKARNS Nav Notice SWL 20-78 Lock Closure Notice Norrell Lock (No. 1) NM 10.3

Published Jan. 4, 2021
Navigation Notice

Navigation Notice

Norrell Lock (No. 1) NM 10.3 will be closed to navigation traffic on the McClellan-Kerr Arkansas River Navigation System beginning at 6 a.m. on Tuesday, February 2nd, 2021 and will reopen at 6 p.m. on Saturday, February 6th, 2021.


This closure is to allow for the replacement of the lock interlock system, a critical component of miter gate operations. If the work is completed ahead of schedule, the lock will reopen at that time. However, unforeseen problems could require additional time.


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



Chris Roark

Chief, Operations Division

Little Rock District Operations Technical Support Branch

Release no. 21-001