PUBLIC WEBSITE: Notices to Navigational Interests (NTNI) https://ndc.ops.usace.army.mil/ords/f?p=107:1
NAVIGATION NOTICE Number SWL 26-29
McClellan-Kerr Arkansas River Navigation System
August 18th, 2026
In Reply Refer to: CESWL-OP
P. O. Box 867
Little Rock, AR 72203-0867
PH. 501-324-5096
LOCK CLOSURE
DARDANELLE LOCK (No. 10) NM 205.5
MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM
Mariners are advised that due to a critical construction activity related to the 110 ft. stoplog conversions, the daytime closure at Dardanelle Lock (No. 10) NM 205.5 will begin at 3:00 a.m. on Thursday August 20th, 2026, and end at 3:00 p.m. on Thursday August 20th, 2026. To offset the early closure start, the lock will open early to traffic at 4:00 p.m. on Wednesday August 19th, 2026.
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 CESWL-OP-OM@usace.army.mil.
//signed// (for)
Chief, Operations Division
Release no. 26-097