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  • MKARNS Nav Notice No. SWL 25-28 Lock 1 Nav Pass Open (Over Weir)

    The tailwater elevation at Norrell Lock (No. 1) NM 10.3 has exceeded 155.0 feet. The buoy line has been removed and all vessels shall pass over the weir between the channel marker lights, as directed by lock personnel.

  • MKARNS Nav Notice No. SWL 25-27 Lock 8 and 9 Reopened

    Arthur V. Ormond Lock (No. 9) NM 176.9 and Toad Suck Ferry Lock (No. 8) NM 155.9 have reopened to navigation traffic.

  • MKARNS Nav Notice No. SWL 25-26 Lock 8 Tow Haulage Out of Service

    The tow haulage equipment at Toad Suck Lock (No. 8) NM 155.9 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.

  • USACE urges boaters and anglers to be aware of underwater hazards

    The U.S. Army Corps of Engineers is urging boaters to use extreme caution on USACE lakes and rivers due to high water levels and increased debris.

  • MKARNS Nav Notice No. SWL 25-25 Caution Advisory - HWY 64 Bridge NM 300.4 Update #2

    The hydrodemolition project over the navigation channel of the HWY 64 Bridge, as noted in Navigation Notice SWL 25-23, has been postponed due to weather.

  • MKARNS Nav Notice No. SWL 25-24 Lock 8 and 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 and Toad Suck Ferry Lock (No. 8) NM 155.9 are closed to traffic.  The locks will reopen as the flows drop to safe navigation levels.

  • 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 rain in Oklahoma and western Arkansas over the last two days has resulted in Arkansas River flows exceeding 70,000 cubic feet per second. A crest of 150,000 to 200,000 c.f.s is forecasted from Van Buren to Ozark and a crest of 250,000 to 300,000 c.f.s is forecasted to progress downstream from Dardanelle to Wilbur D. Mills Dam over the next week.

  • MKARNS Nav Notice No. SWL 25-23 Caution Advisory - HWY 64 Bridge NM 300.4 Update

    The hydrodemolition project over the navigation channel of the HWY 64 Bridge, as noted in Navigation Notice SWL 25-22, has been postponed due to weather. The project is now scheduled to occur from 7 a.m. to 7 p.m. on April 5, 2025.

  • USACE Urges Residents, Visitors to Prepare for Severe Weather

    The U.S. Army Corps of Engineers, Little Rock District, is advising residents and visitors to lakes, rivers and recreation areas to stay alert during severe weather expected this week.

  • USACE Little Rock Water Level App Re-Released

    The U.S. Army Corps of Engineers, Little Rock District, is excited to announce the re-release of the USACE Little Rock Water Level App, a trusted tool for anglers, navigators, paddlers, and park visitors across Arkansas and southern Missouri. Originally launched in 2013, the app has undergone a complete rebuild to improve performance, enhance user experience, and ensure reliable access to critical waterway data.