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A reversal flow of the Chicago River into Lake Michigan would have a negative impact on navigation and on the quality of Lake Michigan water, which is the source of drinking water. [5] Chicago's raw sewage in the river is normally carried upstream toward the Mississippi River which flows south towards the Gulf of Mexico.
The Illinois Waterway system consists of 336 miles (541 km) of navigable water from the mouth of the Calumet River at Chicago to the mouth of the Illinois River at Grafton, Illinois. Based primarily on the Illinois River , it is a system of rivers, lakes, and canals that provide a commercial shipping connection from the Great Lakes to the Gulf ...
The Chicago Area Waterway System (CAWS) is a complex of natural and artificial waterways extending through much of the Chicago metropolitan area, covering approximately 87 miles altogether. It straddles the Chicago Portage and is the sole navigable inland link between the Great Lakes and the Mississippi River and makes up the northern end of ...
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.
It had seventeen locks and four aqueducts to cover the 140-foot (43 m) height difference between Lake Michigan and the Illinois River. From 1848 to 1852 the canal was a popular passenger route, but passenger service ended in 1853 with the opening of the Chicago, Rock Island and Pacific Railroad that ran parallel to the canal.
In a more narrow sense, the Chicago Harbor is that artificial harbor on Lake Michigan located at the mouth of the Chicago River bounded by outer breakwaters to the north and east, Northerly Island to the south, and the Chicago shoreline to the west. The main entrance to this harbor is marked by the Chicago Harbor Lighthouse.
The Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, is a 28-mile-long (45 km) canal system that connects the Chicago River to the Des Plaines River. It reverses the direction of the Main Stem and the South Branch of the Chicago River, which now flows out of Lake Michigan rather than into it.
Watersheds of Illinois is a list of basins or catchment areas into which the State of Illinois can be divided based on the place to which water flows.. At the simplest level, in pre-settlement times, Illinois had two watersheds: the Mississippi River and Lake Michigan, with almost the entire State draining to the Mississippi, except for a small area within a few miles of the Lake.