MKARNS: Toad Suck Lock & Dam NM 155.9 Intermittent Delays

Notice Number: 205005/SWL 23-51
Date: 09/11/2023 07:00 thru 09/15/2023 15:00

Mariners should expect to experience intermittent delays at Toad Suck Lock (No. 8) NM 155.9 beginning September 11 through September 15, 2023, between the hours of 7:00 a.m. and 3:00 p.m. daily. The intermittent delays are required to facilitate underwater dive operations near the Lock chamber.

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
Deputy Chief, Operations Division