Public Notices

Category: Navigation Notices
  • Navigation Notice 20-22: Intermittent closures at Barkley Lock Sept. 14 to Oct. 1, 2020

    Due to scheduled diving and maintenance operations of the BAFF (BioAcoustic Fish Fence) system at Barkley Lock, the lock is undergoing a series of intermittent closures 6 a.m. to 6 p.m. daily Sept. 14 through Oct. 2, 2020. Barkley Lock is located at Cumberland River mile 30.6 on the Cumberland River. Contact John “Caleb” Skinner at 270-362-4226 or via e-mail at for more information.
  • Navigation Notice 20-21: Intermittent closures announceme

    The previously scheduled intermittent closures at Nickajack Lock and Chickamauga Lock for TWRA performing mussel surveys have been canceled in favor of similar closures at Ft. Loudoun, Melton Hill, and Pickwick Locks. Melton Hill Lock at Clinch River mile 23.1 is closing 9 a.m. to 4 p.m. EST daily July 15-26, 2020; Fort Loudoun Lock at Tennessee River mile 602.3 is closing 9 a.m. to 4 p.m. EST daily July 15-16, 2020. Pickwick Lock at Tennessee River mile 206.7 is closing 9 a.m. to 4 p.m. CST daily July 29-30, 2020.
  • Navigation Notice 20-20: Diving operations at Kentucky Lock July 7-10, 2020

    Lewis Environmental Consulting, LLC is conducting diver operations in support of Kentucky Dam Mussel Survey work 7 a.m. to 5 p.m. July 7-10, 2020. The survey work involves working within the lower approach channel. Divers will be pulled from the channel as needed to minimize traffic delays. Vessel operators should exercise caution when transiting this area and allow enough time for the dive crews to pull divers from the water safely. Marine channel will be monitored.
  • Navigation Notice 20-19: Intermittent closures at Chickamauga, Nickajack locks

    Nickajack Lock at Tennessee River mile 424.7 in Jasper, Tennessee, and Chickamauga Lock at Tennessee River mile 471 are closing 9 a.m. to 3 p.m. daily July 14-16 and 21-23, 2020 while Tennessee Wildlife Resources Agency performs mussel surveys. Mariners should stay clear of the area during these periods due to divers in the water. Contact Nickajack Lock at 423-942-3985 or Chickamauga Lock at 426-875-6230 for more information. Either lock can be contacted on Marine channel 13/16 with any questions or concerns.
  • Navigation Notice 20-18: Intermittent closures set at Chickamauga Lock

    Intermittent closures are expected between 8 a.m. and 5 p.m. daily between June 24 and 28 and July 6-30, 2020 at Chickamauga Lock located at Tennessee River mile 471 in Chattanooga, Tennessee, for diving and maintenance operations. For both closure periods, no lockage will be started that cannot be completed by 8 a.m. For more information, contact the lock at 423-875-6230.