29 May 2025

MKARNS Nav Notice No. SWL 25-36 Lock 9 Reopened

Arthur V. Ormond Lock (No. 9) NM 176.9 has reopened to navigation traffic.

28 May 2025

U.S. Army Corps of Engineers increases spillway release at Norfork Dam

The U.S. Army Corps of Engineers, Little Rock District, is making further adjustments to spillway operations at Norfork Dam as water levels continue to rise due to recent heavy rainfall.

28 May 2025

MKARNS Nav Notice No. SWL 25-35 Lock 9 Closure - High Flows

Due to high flows on the McClellan-Kerr Arkansas River Navigation System, the Arthur V. Ormond Lock (No. 9) NM 176.9 is closed to traffic. The lock will reopen as the flows drop to safe navigation levels.

27 May 2025

MKARNS Nav Notice No. SWL 25-34 Lock 1 Navigation Pass Open (Through Lock)

The tailwater elevation at Norrell Lock (No. 1) NM 10.3 has exceeded 143.0 feet. All vessels will be directed to transit through the lock chamber with pinned open gates while the tailwater elevation remains above 143.0 feet. When the tailwater elevation drops below 143.0 feet, vessels will use the lock. Prior to arrival, vessels shall contact lock personnel at (501) 324-7341 or on channel 16 to receive the latest information regarding any changes to the special navigation procedures at Lock 1.

22 May 2025

USACE reminds everyone to be water safe this Memorial Day weekend

The U.S. Army Corps of Engineers is reminding everyone to practice good water safety habits over the upcoming Memorial Day weekend.

21 May 2025

MKARNS Nav Notice No. SWL 25-33 Lock 1 Tow Haulage Out of Service

The tow haulage equipment at Norrell Lock (No. 1) NM 10.3 is currently out of service. Double cut tows will have to be locked the conventional way (without the use of tow haulage). A follow up notice will be distributed when the tow haulage equipment is back in service.

21 May 2025

MKARNS Nav Notice No. SWL 25-32 Lock 1 Operational

Due to tailwater elevations falling below 143.0 feet at Norrell Lock (No. 1) NM 10.3, the lock chamber is now operational for navigation. All vessels are required to pass through lock.

20 May 2025

MKARNS Nav Notice No. SWL 25-31 Lock 5 DS Appr - Sailing Instruction

Due to shoaling, mariners are advised that until further notice, both upbound and downbound tows should favor the long wall in the downstream approach to Colonel Charles D. Maynard Lock (No. 5) NM 86.3.

16 May 2025

USACE closes swim beach at Waveland Park until further notice

The U.S. Army Corps of Engineers, Nimrod-Blue Mountain Project Office is closing the swim beach at Waveland Park on Blue Mountain Lake until further notice because of higher than acceptable E. coli levels that were found during routine testing.

14 May 2025

USACE seeks public input on the Emmett Sanders Embankment Repair Plan

The U.S. Army Corps of Engineers, Little Rock District, is accepting public comments on a draft Environmental Assessment and draft Finding of No Significant Impact for proposed repairs to the left embankment at Emmett Sanders Lock and Dam in Jefferson County, Arkansas.