3 Feb 2025

MKARNS Nav Notice No. SWL 25-09 Lock 3 Closure

Mariners are advised that Joe Hardin Lock (No. 3) NM 50.2 will be closed to traffic beginning at 7:00 a.m. until 4:00 p.m. on February 12, 2025. The lock closure is required to facilitate ongoing work on the hydraulic system.

31 Jan 2025

USACE conducts boundary line maintenance on Lake Dardanelle and Ozark Lake

The U.S. Army Corps of Engineers, Russellville Site Office is advising landowners adjacent to public lands around Lake Dardanelle and Ozark Lake that contract maintenance crews will be conducting boundary line maintenance along a 31-mile section of government boundary at Lake Dardanelle and a 17-mile section at Ozark Lake.

31 Jan 2025

USACE plans prescribed burns

The U.S. Army Corps of Engineers will conduct prescribed burns on public lands surrounding Bull Shoals and Norfork Lakes until March 15, 2025.

30 Jan 2025

USACE issues small craft advisory for Arkansas River

The U.S. Army Corps of Engineers is issuing a small craft advisory for the McClellan-Kerr Arkansas River Navigation System in Arkansas. Heavy rainfall in western Arkansas over the last 24 hours will result in Arkansas River flows exceeding 70,000 cubic feet per second over the next few days.

28 Jan 2025

MKARNS Nav Notice No. SWL 25-08 Lock 4 Tow Haulage Return to Service

The tow haulage equipment at Emmett Sanders (No. 4) NM 66.0 has been repaired and returned to service.

23 Jan 2025

USACE announces temporary closure of River Run East Recreation Area 

The U.S. Army Corps of Engineers will temporarily close access to the River Run East Recreation Area on Millwood Lake from Feb. 3, 2024, until further notice for dam embankment repairs.

17 Jan 2025

MKARNS Nav Notice No. SWL 25-06 Lock 9 Tow Haulage Return to Service

The tow haulage equipment at Ormond Lock (No. 9) NM 176.9 has been repaired and returned to service.

15 Jan 2025

MKARNS Nav Notice No. SWL 25-05 Lock 13 Tow Haulage Out of Service

The tow haulage equipment at James W. Trimble (No. 13) NM 292.8 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.

14 Jan 2025

MKARNS Nav Notice No. SWL 25-04 WREC Differentials

his is to advise mariners transiting the White River Entrance Channel (WREC) of increased head differentials between Norrell Lock and Dam and Montgomery Point Lock and Dam. 

8 Jan 2025

MKARNS Nav Notice No. SWL 25-03 Lock 7 Reopened

Repairs to the hydraulic piping at Murray Lock and Dam (No. 7) NM 125.4 have been completed. The lock is currently open to traffic.