Why is the Chicago River so dirty?

The largest source of fecal coliform in the Chicago River is the city's combined storm-sewer system, which was designed in the 1850s, when freshwater was a seemingly endless resource, major rainfall events were less frequent, and the population was a fraction (literally one hundredth) of what it is today.
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Is the Chicago River still polluted?

Although the river still struggles with pollution, especially during and after storms, it has become significantly cleaner in recent decades. Now, the Chicago nonprofit Current wants to give you real-time updates on the river's water quality with just a few taps on your phone, much like checking the weather.
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Is there poop in the Chicago River?

The truth is, this isn't something unique to just the Chicago River. Fecal coliform is put into every river by both animals and humans, and occasionally worsened by severe weather events. "Extreme rain events can lead to something called combine sewer overflows," Harkness explained.
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What is at the bottom of the Chicago River?

Now to get all literal, at the very bottom of the river is rock — Niagara limestone, to be exact. According to David M. Solzman's book The Chicago River, the ancient bedrock of the river was formed a few hundred million years ago when what's now Chicago was covered by a salty sea.
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Can u swim in the Chicago River?

All of Chicago's rivers will achieve the water quality standard set for them by the U.S. Environmental Protection Agency in 2011—primary contact waters that allow for safe swimming, paddling, fishing and more.
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Catching ‘Sewer Salmon’ In One of the Most Polluted Rivers in the US



How deep is the Chicago River?

How Deep is the Chicago River? At its deepest point, the Chicago River is 21 feet deep. It runs 156 miles from start to finish, with three main branches — North, Main, and South — along the way.
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Can you eat fish from the Chicago River?

Most of the fish in the Chicago River and its connected channels are safe to eat, though the state advises people to limit consumption of certain species to avoid highly toxic chemicals known as PCBs, another legacy from a century of industrial pollution.
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Where does Chicago dump its sewage?

Chicago uses a combined sewer system, meaning that stormwater and wastewater are handled by the same sewers and treatment plants. During large storms, it may be necessary to dump excess from the sewers into Lake Michigan.
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Does anything live in the Chicago River?

Alligators, otters, beavers and rusty crayfish have all made the river their home. Dip into a little research about what kind of wildlife lives in and around the Chicago River, and you'll come up with a long list of what used to be here: egrets and eagles, lynx and panthers.
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Is Chicago River Sewage?

What was the environmental cost of reversing the direction of the Chicago River? The reversal of the Chicago River in large part succeeded, and has mostly protected Lake Michigan from Chicago's sewage, "preventing thousands of people from dying from a rogue's gallery of waterborne illnesses," as Mogerman puts it.
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How Clean Is Chicago water?

Chicago tap water is generally safe to drink and tastes great. Unfortunately lead is often found and even if it's usually below regulated levels there is no safe level for children. Therefore it's recommended to use an affordable faucet filter certified for lead removal such as TAPP.
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Why is the Illinois river so dirty?

Pollution Threats to our Rivers

Literally thousands of pollutants find their way into Illinois rivers. These chemical and biological pollutants include pesticides, fertilizers, nutrients, metals, organochlorines, pharmaceuticals, pathogens, and sediment.
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How did they clean the Chicago River?

Finally, in 1900, the Sanitary District of Chicago, then headed by William Boldenweck, completely reversed the flow of the main stem and South Branch of the river using a series of canal locks, increasing the river's flow from Lake Michigan and causing it to empty into the newly completed Chicago Sanitary and Ship ...
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Can you swim in the Illinois River?

Data shows that bacteria are present in the Illinois River. Don't swim in water with a temperature greater than 80°F (If the water does not feel cool when you first enter it, then it is likely greater than 80°F). Don't swim if you have cuts or scrapes. Don't swim after a heavy rain.
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What is used to dye the Chicago River green?

The dye is vegetable-based

The recipe itself is a closely guarded secret -- all we know is that it's an orange powder that turns green in the river. Residents pin the magical color change on leprechauns, naturally.
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Where does our poop go in Chicago?

From the toilet, your poop flows through the city's sewage system along with all the water that drains from our sinks, showers and streets. From there, it goes to a wastewater treatment plant.
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Is Chicago sinking?

Chicago and parts of southern Lake Michigan are sinking approximately four (10 cm) to eight (20 cm) inches each century. More than 20,000 years ago, much of the Earth — including what is now Chicago — was submerged under enormous sheets of glacial ice.
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Is Chicago built on stilts?

In the middle of the 19th century, Chicago was not the shining, modern metropolis it is today. The city was only 4 feet above Lake Michigan at most, built on a swamp. The powers that be hadn't really thought about how to ensure water and sewage drained properly.
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Are there bass in the Chicago River?

The Chicago River

Anglers mostly catch largemouth, calico and rock bass, bluegill and carp.
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Does dyeing the river green hurt the fish?

The dye turns the whole canal green and lasts about 2 to 4 days depending on whether it rains and dilutes the water, he said. "It doesn't hurt the fish.
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How much does it cost to dye Chicago River green?

How much does it cost? There is no official answer, but based on the cost of the materials and labor, some around the blogosphere have estimated that the tradition costs about $133 per minute. The operation is privately funded, underwritten by sponsors, including the Chicago St.
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Why is Chicago water so blue?

The Chicago river has a distinctive color (and I don't mean St. Patrick's Day green) that is the result of the river's clay bottom, lake water, and algae: a lovely blue-green, best seen on warm weather days. (The lake water has only been part of the river's composition since the river was reversed in 1900.)
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Is the Chicago River gross?

The river — particularly the Downtown portion — is far cleaner than it was in years past, when it was murky and full of litter. But it's still home to bacteria, like any natural body of water, and there's boaters, kayakers and others to contend with.
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Does the Chicago River flow backwards?

For most of its history, the Chicago River sluggishly moved water from the plains to Lake Michigan. When raw sewage and other pollutants were dumped in the river, they flowed into Chicago's primary source of drinking water.
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