Public Notices

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  • Navigation Notice 22-13: Daylight closures scheduled at Chickamauga Lock

    Chickamauga Lock at Tennessee River mile 471 in Chattanooga, Tennessee, is undergoing valve maintenance May 9-26, 2022. During this time, the lock is closing 7 a.m. to 5:30 p.m. daily with special consideration afforded to commercial tows.
  • Navigation Notice 21-08: Chickamauga Lock closure, intermittent closures announced

    Navigation Notice 21-08: Chickamauga Lock at Tennessee River mile 471 in Chattanooga, Tennessee, is closing 7 a.m. May 3 to noon May 24 to allow a contractor to complete a full electrical rehab on the lock operating system. The lock will then undergo intermittent closures during daylight hours May 24 to June 7 to allow the contractor to continue to install non-mission-critical equipment.
  • Navigation Notice 20-38: Intermittent closures at Chickamauga Lock

    Chickamauga Lock at Tennessee River mile 471 in Chattanooga, Tennessee, is closing intermittently from 9 a.m. to 4 p.m. Sept. 16 and 17, 2020 while Tennessee Wildlife Resource Agency performs mussel surveys at the tailwater lower approach to the lock. Mariners should stay clear of the area during this time period due to divers in the water. Contact Chickamauga Lock at 426-875-6230 or via Marine channel 13/16 with any questions or concerns.
  • 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 20-19: 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.