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The Chicago Harbor Lock, also known as the Chicago River & Harbor Controlling Works, is a stop lock and dam located within the Chicago Harbor in Chicago, Illinois at the mouth of the Chicago River. It is a component of the Chicago Area Waterway System , and is used to control water diversion from Lake Michigan into the river and for navigation.
The main entrance to this harbor is marked by the Chicago Harbor Lighthouse. The Jardine Water Purification Plant, Navy Pier, the Chicago Harbor Lock, Coast Guard Station Chicago, two municipal harbors (DuSable Harbor and Monroe Harbor), the Chicago Yacht Club, and the Columbia Yacht Club are all located here. [2]
There are three major locks within the CAWS, operated by the Army Corps of Engineers: the Chicago Harbor Lock, the Lockport Lock & Dam, and the T.J. O'Brien Lock and Dam. [4] Artificial waterways connecting the Mississippi and Great Lakes systems via the Chicago area, over the Chicago Portage, began with the I&M Canal in 1848. [5]
The McCormick Bridgehouse & Chicago River Museum is a 5-floor, 1,613-square-foot (149.9 m 2) museum that opened on June 10, 2006; it is named for Robert R. McCormick, formerly owner of the Chicago Tribune and president of the Chicago Sanitary District. The Robert R. McCormick Foundation was the major donor that helped meet the $950,000 cost to ...
The rate of flow is controlled by the Lockport Powerhouse, sluice gates at Chicago Harbor and at the O'Brien Lock in the Calumet River, and also by pumps at Wilmette Harbor. Two more canals were later built to add to the system: the North Shore Channel in 1910, and the Calumet-Saganashkee Channel in 1922.
To reduce the impacts from flooding, the Chicago Harbor Lock was opened for the first time since it was constructed at the mouth of the river in the 1930s. Outside of Chicago, flash flooding occurred in urban areas and along creeks across large portions of the metropolitan area and rural areas to the west.
Railway stations in Chicago (2 C, 32 P) Pages in category "Transportation buildings and structures in Chicago" The following 7 pages are in this category, out of 7 total.
The lock chamber measures 1,000 by 110 feet (305 m × 34 m) with a maximum lift capability of 5 feet (1.5 m). [ 1 ] [ 2 ] The lock contains a pair of sector gates at either end, which were chosen as they both reduce the cost of engineering and are more conducive to operations in a waterway which can reverse direction.