Public Notices

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  • Navigation Notice 20-37: Kentucky Lock closing for low-flow operation

    Kentucky Lock at Tennessee River mile 22.4 in Grand Rivers, Kentucky, is closing for 24 hours from 6 a.m. Saturday, Sept. 12 until 6 a.m. Sunday, Sept. 13, 2020 in coordination with a low-flow operation to facilitate the installation of the lowermost steel band for the lock’s new concrete-filled guard cell.
  • Navigation Notice 20-35: Temporary Kentucky Lock closure Sept. 9, 2020

    Due to construction activities on cofferdam cell 2 at Kentucky Lock, the lock is closing 6 a.m. to 6 p.m. Wednesday, Sept. 9, 2020. The lock is located at Tennessee River mile 22.4 in Grand Rivers, Kentucky. Call Wayne Chapman at 270-362-4226 or e-mail jeffrey.w.chapman@usace.army.mil for more information.
  • Navigation Notice 20-34: Change in operations at Kentucky Lock

    On or about Sept. 11, 2020, the concrete-filled guard cell in Kentucky Lock’s lower approach will be placed into operation. As a result, the lock will revert to normal sequence of lockage operations; thus, cancelling the night time lockage restrictions for upbound vessels described in NTNI LRN 20-11.
  • 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.