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  • Algoma Harbor

    Recreational harbor with a project depth of 14 feet for 2,000 feet of maintained channel. Dredged material is placed in an upland site provided by local stakeholders on an as needed basis. This harbor also serves as a harbor of refuge for recreational vessels.
  • Black Rock Lock

    The Black Rock Channel extends from Buffalo Harbor to the Black Rock Lock.  It is three and one-half miles in length.  The Federal navigation channel has a minimum width of 200 feet. Pleasure craft are required to yield the right-of-way to commercial vessels due to the confined waters of the channel.
  • Burns Waterway Small Boat Harbor

    Serves as a recreational harbor. Project depth is 11 feet in the approach channel, 10 feet in the inner harbor, and 6 feet in the river channel.
  • Cannelton Locks and Dam

    Welcome to the Cannelton Locks and Dam. The Cannelton Locks and Dam is located on the Ohio River at mile 720.7 below Pittsburgh, Pennsylvania. It is three miles upstream from Cannelton, Indiana. The navigation locks are located on the right descending bank or Indiana side of the river.
  • Cheatham Navigation Lock

    Cheatham Navigation LockCheatham Lock is located at Mile 148.6 on the Cumberland River in Cheatham County, Tennessee and is approximately 10 miles northwest of Ashland City, Tenn.  Cheatham Lock is open to pass navigation traffic 24 hours-a-day, 365 days a year. The 67-mile reservoir created by Cheatham Dam provides Nashville and middle Tennessee
  • Cordell Hull Navigation Lock

    Cordell Hull Navigation Lock is located near Carthage, Tenn., at river mile 313.5.Clear Chamber dimensions: 84 by 400 feetLift at normal pool levels: 59 feetMinimum lock filling time at normal head: 11 minutesGallons: 17 millionIf you are interested in locking, please call the Old Hickory Lock at (615) 847-3281.  All lockage reservations must be
  • Fox River, Wisconsin

    The Fox River extends approximately 40 miles from Lake Winnebago to Green Bay. The project includes 9 dams and 17 locks . These features are maintained for flood control, water supply, and power generation.
  • Great Lakes Confined Disposal Facilities

    A confined disposal facility, or CDF, is a structure planned and designed to receive sediments dredged from a navigation channel and safely contain the contaminants, preventing their reentry into the waterway or lake.
  • Green River Locks and Dams 1 and 2

    Welcome to the Green River Locks and Dam 1 and 2. The Green River Locks and Dam No. 1 is located on the Green River near Henderson, Kentucky, at mile 9.1. The Navigation locks are located on the right descending bank of the Green river. The upper pool is maintained above the dam and extends upstream for a distance of 54 miles to the Green River Locks and Dam No. 2. The Green River Locks and Dam No. 2 is located on the Green River near Calhoun, Kentucky, at mile 63.1. The Navigation locks are located on the right descending bank of the Green river. The upper pool is maintained above the dam and extends upstream for a distance of 45.4 miles to Locks and Dam No. 3, which is now inactive, near Rochester, Kentucky.
  • Guntersville Navigation Lock

    Guntersville Lock is located at Tennessee River mile 349, nine miles downstream from the city of Guntersville, Alabama.It is 75.3 miles downstream from Nickajack Lock and 74.1 miles above the Wheeler Locks.Lock History Construction of the auxiliary lock began in December 1935 and was put into operation in 1937  by TVA.  Work on the main lock began
  • John T. Myers Locks and Dam

    Welcome to the John T. Myers Locks and Dam. The John T. Myers Locks and Dam is located on the Ohio River about 3.5 miles downstream from Uniontown, Kentucky, at mile 846.0 below Pittsburgh, Pennsylvania. The navigation locks are located on the right bank or Indiana side of the river.
  • Markland Locks and Dam

    Welcome to the Markland Locks and Dam. The Markland Locks and Dam is located on the Ohio River at mile 531.5 below Pittsburgh, Pennsylvania. It is 26.5 miles upstream from Madison, Indiana and 3.5 miles downstream from Warsaw, Kentucky. The navigation locks are located on the Kentucky side of the river.
  • McAlpine Locks and Dam

    Welcome to the McAlpine Locks and Dam. The McAlpine Locks and Dam is located on the Ohio River 604.5 miles below Pittsburgh, Pennsylvania, at the northwestern end of Louisville, Kentucky, in the Portland neighborhood. The navigation locks are located on the Kentucky side of the river at mile 606.8. The upper pool extends approximately 75 miles to the Markland Locks and Dam.
  • Newburgh Locks and Dam

    Welcome to the Newburgh Locks and Dam. The Newburgh Locks and Dam is located on the Ohio River near Newburgh, Indiana, at mile 776.1 below Pittsburgh, Pennsylvania. It is about 16 miles upstream from Evansville, Indiana. The Navigation locks are located on the right descending bank or Indiana side of the river.
  • Old Hickory Navigation Lock

    Old Hickory Lock is located at Mile 216.2 on the Cumberland River and is approximately 11.5 miles northeast of Nashville, TN.  Old Hickory Lock is open to pass navigation traffic 16 hours a day, 365 days a year.  The lock is closed nightly between the hours of 10 p.m. and 6 a.m. Old Hickory Lock was opened to navigation traffic in June 1954.  The
  • Olmsted Locks and Dam

    Welcome to the Olmsted Locks and Dam. The Olmsted project consists of two 110’ x 1,200’ locks adjacent to the Illinois bank, and a dam comprised of five tainter gates, 1,400’ of boat-operated wickets and a fixed weir.
  • Planning Center of Expertise for Inland Navigation (PCXIN) Outreach

    This site provides information on Waterborne Commerce in the United States, with a focus on the Inland Navigation data. Navigation was the Corps of Engineers' earliest Civil Works mission, dating to Federal laws in the 1820’s authorizing and funding the Corps to improve safety on the Ohio and Mississippi Rivers by removing snags, debris, and other obstructions. These rivers and the coastal ports were the primary routes of commerce for the new nation.
  • Smithland Locks and Dam

    Welcome to the Smithland Locks and Dam. Smithland Locks and Dam is located on the Ohio River at mile 918.5 below Pittsburgh, Pennsylvania and 62.5 miles upstream of the confluence of the Ohio and Mississippi rivers. The locks are on the Illinois side of the Ohio River accessible via the New Liberty Road reached from either Golconda or Brookport, Illinois.
  • Watts Bar Navigation Lock

    Watts Bar Lock is near Decatur, Tennessee.  It is approximately halfway between Chattanooga and Knoxville.The lock is located at Tennessee River mile 529.9.  It is 72.4 miles downstream from Fort Loudoun Lock and 58.9 miles above Chickamauga Lock. History of Navigation in the Area  Building navigational facilities at Watts Bar was one of the
  • Wheeler Navigation Lock

    Wheeler Navigation LockThe Wheeler Locks are located about 30 miles from Decatur, Alabama. The locks are at river mile 274.9.  They are 15 miles above the Wilson Locks and 74.1 miles below Guntersville Lock. The area called Muscle Shoals extended from Elk River to Florence, Alabama and featured a series of rapids, islands, reefs, and bars.  It
  • Wilson Navigation Lock

    Wilson Lock is located in the northwest corner of Alabama.Located at Tennessee River mile 259.4, the lock is 15 miles below the Wheeler Locks and 52.7 miles above Pickwick Lock.It is the highest single lift lock east of the Rocky Mountains with a normal lift of between 93 and 100 feet! Lock History The original project was completed by the Corps