An official website of the United States government
Here's how you know
Official websites use .mil
website belongs to an official U.S. Department of Defense organization in the United States.
Secure .mil websites use HTTPS
means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.
Skip to main content (Press Enter).
US Army Corps of Engineers
Little Rock District Website
Who We Are
Business With Us
America the Beautiful Passes
Engineering and Construction
Continuing Authorities Program
Levee Safety Information
Floodplain Management Services and Silver Jackets
Levee System Status
Formerly Used Defense Sites
Channel Reconnaissance Reports
Approved Project Review Plans
Prairie Creek, Russellville, Arkansas
Three Rivers Study
Table Rock Lake Oversight Committee
Millwood Lake Master Plan Revision
Norfork Lake Master Plan
MKARNS Master Plan Revision
Maumelle River Ecosystem Restoration Study
Beaver Lake Land Acquisition
Blue Mountain Lake
Bull Shoals Lake
Greers Ferry Lake
Table Rock Lake
Pine Bluff Area
Applying for a Permit
Fayetteville Shale Information
Arkansas Special Resource Waters
Missouri Special Resource Waters
Types of Permits
Water Resources Development Act
What is the Regulatory Program
Requirements/Exemptions for Flood Recovery Activities
About Water Management
Real Time Data (Reservoir)
Real Time Data (Arkansas River Nav. Channel)
Water Management FAQ
Beaver Lake Dam IRRM
Equal Employment Opportunity
Arkansas River Navigation Chart
Contact Little Rock District
USACE Office Locator
MKARNS Nav Notice SWL 21-23 Lock 4 Sailing Instruction
MKARNS - Due to shoaling, mariners are advised that upbound and downbound tows need to favor the long wall in the downstream approach to Emmett Sanders Lock (No. 4) NM 66.0.
MKARNS Nav Notice SWL 21-22 Locks 13 and 9 Intermittent Delays Update
MKARNS - The work at James W. Trimble Lock (NM 292.8) (noted in Nav Notice SWL 21-18) is complete and normal operations have resumed.
MKARNS Nav Notice SWL 21-21 WREC Differentials
MKARNS - This 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.
MKARNS Nav Notice SWL 21-20 Lock 4 Reopened
MKARNS - Repairs at Emmett Sanders Lock (No. 4) NM 66.0 are complete and the lock has reopened to navigation traffic.
MKARNS Nav Notice SWL 21-19 Channel Closure I-430 Bridge, Revised Dates
MKARNS - The daily closure period (noted in Nav Notice SWL 21-08) of 7 a.m. to 7 p.m, 16-18 June for the navigation channel under the I-430 Bridge, NM 126.6 has been changed.
MKARNS Nav Notice SWL 21-18 Lock 13 Intermittent Delays
MKARNS - Mariners are advised that intermittent delays may be experienced, from 6 a.m. to 6:30 p.m. daily, June 13 through June 19 at James W. Trimble Lock (NM 292.8).
MKARNS Nav Notice SWL 21-17 Lock 4 Closure
MKARNS - Emmett Sanders Lock (No. 4) NM 66.0 will be closed to navigation traffic from 7 a.m., 9 June through 5:30 p.m., 10 June.
MKARNS Nav Notice SWL 21-16 Lock 9 Reopened
MKARNS - Arthur V. Ormond Lock (No. 9) NM 176.9 has reopened to navigation traffic.
MKARNS Nav Notice SWL 21-15 Lock 8 Reopened
MKARNS - Toad Suck Ferry Lock (No. 8) NM 155.9 has reopened to navigation traffic.
MKARNS Nav Notice SWL 21-14 Lock 8 Closure - High Flows
MKARNS - Due to high flows on the McClellan-Kerr Arkansas River Navigation System, the Toad Suck Ferry Lock (No. 8) NM 155.9 is closed to traffic.