MKARNS Nav Notice No. SWL 25-50 Dardanelle Hinged Pool Operation

Little Rock District USACE
Published July 8, 2025
Navigation Notice

Navigation Notice

PUBLIC WEBSITE: Notices to Navigational Interests (NTNI) https://ndc.ops.usace.army.mil/ords/f?p=107:1

NAVIGATION NOTICE Number SWL 25-50
McClellan-Kerr Arkansas River Navigation System

July 8, 2025
In Reply Refer to: CESWL-OP
P. O. Box 867
Little Rock, AR 72203-0867
PH. 501-324-5096

HINGED POOL OPERATION
DARDANELLE POOL
MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM

To promote beneficial scouring of shoals in the Dardanelle Pool following recent sustained high-water flows, the U.S. Army Corps of Engineers, Little Rock District, will conduct a “Hinged Pool” operation from Thursday, July 10th, 2025, through Wednesday, July 17th, 2025. During this operation, the pool level will be maintained at elevation 336.5. To reduce the risk of potential groundings, tows are reminded to run the charted green line (right descending side) when transiting NM 221.2 to 221.7, as stated in Navigation Notice SWL 25-46.

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

Contact
Public Affairs
501-324-5551
ceswl-pa@usace.army.mil

Release no. 25-084