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The most recent appropriations for the Department of War expired at 11:59 p.m. EST on September 30, 2025. Military personnel will continue in a normal duty status without pay until such time as a continuing resolution or appropriations are passed by Congress and signed into law. Civilian personnel not engaged in exempted or excepted activities will be placed in a non-work, non-pay status.

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  • Barkley Navigation Lock

    Barkley Navigation LockBarkley Lock is located 30.6 river miles from where the Cumberland River

  • Cheatham Dam

    Cheatham Dam is located in Cheatham County, Tenn., on the Cumberland River at mile 148.7 about nine

  • Cheatham Navigation Lock

    Cheatham Navigation LockCheatham Lock is located at Mile 148.6 on the Cumberland River in Cheatham

  • Chicago Area Waterway

    Stages, flows, and basin precipitation for Lake Michigan, Chicago River, Des Plaines River, Chicago Sanitary and Ship Canal, Little Calumet River, Thorn Creek, Hart Ditch, Fox River, Du Page River, and Kankakee River.

  • Chicago District Locks

    The Chicago District operates three locks within our district footprint, the Chicago Lock, The Lockport Lock, and the T.J. O'Brien Lock.

  • Chicago Harbor Lock

    The Chicago Harbor Lock is located in the city of Chicago – adjacent to Navy Pier – and separates the waters of the Lake Michigan basin from the Chicago River.

  • Chickamauga Navigation Lock

    Chickamauga Lock is  located at Tennessee River mile 471 only 6.9 miles above Chattanooga,

  • Fort Loudoun Navigation Lock

    Fort Loudoun Lock is located near Lenoir City, Tennessee, some 55 miles downstream from Knoxville.It

  • Guntersville Navigation Lock

    Guntersville Lock is located at Tennessee River mile 349, nine miles downstream from the city of

  • Kentucky Lock

    Kentucky Lock is located near Gilbertsville, Kentucky, 22.4 miles from the confluence of the

  • Lockport Lock

    Opened in 1933, Lockport Lock & Dam is 35 miles downstream of T.J O’Brien Lock & Dam. The facility is a unit of the Inland Waterway Navigation System and is one of eight such facilities between Chicago and Versailles, Illinois. The lock is 110 feet wide by 600 feet long. Maximum vertical lift is 42.0 feet; the average lift is 39 feet.

  • Melton Hill Navigation Lock

      Melton Hill Lock is  nine miles southwest of Oak Ridge, Tenn., and 19 miles west of

  • Nickajack Navigation Lock

    Nickajack Lock is located 35 miles west of Chattanooga, Tennessee near the city of Jasper.The lock

  • Pickwick Lock

    Pickwick Navigation LockPickwick Lock is approximately 12 miles south of Savannah, Tennessee.  It is

  • T.J. O'Brien Lock

    The T.J. O’Brien Lock and Controlling Works is located at the entrance to Lake Michigan (River Mile 326.0), Calumet River, in Chicago, Illinois. The facility is a unit of the Inland Waterway Navigation System and is one of nine such facilities between Chicago and Versailles, Illinois.

  • Watts Bar Navigation Lock

    Watts Bar Lock is near Decatur, Tennessee.  It is approximately halfway between Chattanooga and

  • Wheeler Navigation Lock

    Wheeler Navigation LockThe Wheeler Locks are located about 30 miles from Decatur, Alabama. The locks

  • Wilson Navigation Lock

    Wilson Lock is located in the northwest corner of Alabama.Located at Tennessee River mile 259.4, the