Location South Chicago Type of dam 4 slide gate sections Construction cost 6.955 million USD | Opening date 1960 Length 91 m | |
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Operator(s) United States Army Corps of Engineers Rock Island District Impounds Calumet River to Lake Michigan harbor Normal elevation 577 feet above sealevel Similar Calumet River, Chicago Sanitary and Ship, Lake Shore and Michigan, Marshall Field and Company, Café Brauer | ||
Thomas J. O’Brien Lock & Dam is a lock on the Calumet River on the south side of Chicago. The Calumet River is a tributary to the Chicago Sanitary and Ship Canal. This flows into the Des Plaines River, the Illinois River and then the Mississippi. It is 326 river miles from the Mississippi-Illinois confluence. The up river side of the dam is at Lake Michigan's level, 577 feet above sealevel. The lock dimensions are 1000' x 110' feet.
References
T.J. O'Brien Lock and Dam Wikipedia(Text) CC BY-SA