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  2. Chicago area water quality - Wikipedia

    en.wikipedia.org/wiki/Chicago_Area_Water_Quality

    Combined Sewer System. The change in the river's water flow was estimated to provide enough treatment-by-dilution for up to a population of three million. [1] However, in 1908, it became clear to the Chicago Sanitary District that the city’s population was continuing to grow and that the population would soon exceed the treatment capacity that the canal offered.

  3. Friends of the Chicago River - Wikipedia

    en.wikipedia.org/wiki/Friends_of_the_Chicago_River

    Friends of the Chicago River is a non-profit organization that was founded in 1979 to improve and restore the 156-mile Chicago River and Calumet River system for all people, water, and animals. Friends of the Chicago River works through education and outreach, on the ground projects, and public policy and planning to achieve their vision that ...

  4. Chicago Sanitary and Ship Canal - Wikipedia

    en.wikipedia.org/wiki/Chicago_Sanitary_and_Ship...

    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.

  5. Tunnel and Reservoir Plan - Wikipedia

    en.wikipedia.org/wiki/Tunnel_and_Reservoir_Plan

    Aerial view of Phase II of the McCook Reservoir under construction in 2023. The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting ...

  6. Chicago Harbor Lock - Wikipedia

    en.wikipedia.org/wiki/Chicago_Harbor_Lock

    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.

  7. Chicago flood - Wikipedia

    en.wikipedia.org/wiki/Chicago_flood

    The City of Chicago then gave permission to install the new pilings 3.5 feet (1.1 m) south of the old pilings. The crew members who began work at the site did not know that beneath the river was an abandoned Chicago Tunnel Company (CTC) tunnel that had been used in the early 20th century to transport coal and goods. One of the pilings on the ...

  8. Chicago River - Wikipedia

    en.wikipedia.org/wiki/Chicago_River

    The Chicago River is a system of rivers and canals with a combined length of 156 miles (251 km) [1] that runs through the city of Chicago, including its center (the Chicago Loop). [2]

  9. Urban Rivers - Wikipedia

    en.wikipedia.org/wiki/Urban_Rivers

    Alongside Shedd Aquarium, Urban Rivers added over three thousand square feet of floating habitat to the South Branch of the Chicago River. [9] They create the habitats by utilizing a 'riverponic' system: they combine together polyethylene and metal frames, matting, dropping them in the water, adding plants, and anchoring the islands to the river bottom.