Public Notices

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Category: Navigation Notices
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  • Navigation Notice 20-33: Low flow warning at Cheatham Lock

    Cheatham Lock at Cumberland River mile 148.6 in Ashland City, Tennessee, announces that due to diving operations at Cheatham Dam between Sept. 21-24, 2020, there will be periods of little to no flow during daylight hours. The water level at the lower approach of Cheatham Lock will likely NOT drop below normal minimum pool conditions (354.0 ft.) but will approach that elevation. Mariners should take extra caution on the lower approach and not overload their barges or exceed channel depths on these dates. For more info, call the lock at 615-792-0627.
  • Navigation Notice 20-31: TVA conducting field study at Tennessee River mile 529.3

    Tennessee Valley Authority is planning a field study 3 p.m. Sept. 2 until 10 a.m. Sept. 3, 2020 and will have tire floats with flashing lights deployed across Tennessee River mile 529.3 at the old Watts Bar Fossil mooring cells just downstream of Watts Bar Dam. This includes tires deployed in the navigation channel. TVA team members will be out with them all night and will remove the tires if a tow comes through. The team will be monitoring marine radio channels 13 and 16, but request contact through Daniel Saint at 865-632-6965.
  • Navigation Notice 20-30: Intermittent closure of Chickamauga Lock scheduled Aug. 11-12, 2020

    Intermittent closures are expected on the lower end of Chickamauga Lock at Tennessee River mile 471 due to a survey 7 a.m. to 5 p.m. Aug. 11 and 7 a.m. to 1 p.m. Aug. 12. No lockage on either day will be started that cannot be completed by 7 a.m. Contact the lock at 423-875-6230 for more information.
  • Navigation Notice 20-29: Intermittent closures of Pickwick Auxiliary Lock, Watts Bar Lock set

    Pickwick Auxiliary Lock at Tennessee River mile 529.9 and Watts Bar Lock at Tennessee River mile 206.7 are having intermittent closures while TWRA performs mussel surveys at the Tennessee Valley Authority projects, as well as complete mussel relocations at Pickwick Lock. Pickwick Auxiliary Lock is having intermittent closures 9 a.m. to 4 p.m. Central Standard Time Sept. 2-3, 2020. Watts Bar is having intermittent closures 9 a.m. to 4 p.m. Eastern Standard Time Sept. 9-10, 2020.
  • Navigation Notice 20-28: Intermittent closures set at Barkley Lock

    Barkley Lock at Cumberland River mile 30.6 is undergoing intermittent closures 6 a.m. to 6 p.m. daily Aug. 10-17, 2020 while maintenance is performed on the land and river walls. Contact the lock at 270-362-4226 for more information.