Lake Michigan flows through the Chicago River and (eventually) into the Mississippi. It didn't used to, but you can thank the Army Corp of Engineers for that.
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AFAIK, with a few exceptions (like Chicago) there's an international treaty for the Great Lakes that requires water/excess used by humans to be eventually returned to the lakes.
stallion_412 t1_je376z1 wrote
Reply to comment by Hamilton_Brad in This bottled water’s primary marketing is that it goes straight from the sewage treatment plant to your mouth. by Asteroth6
Lake Michigan flows through the Chicago River and (eventually) into the Mississippi. It didn't used to, but you can thank the Army Corp of Engineers for that.
​
AFAIK, with a few exceptions (like Chicago) there's an international treaty for the Great Lakes that requires water/excess used by humans to be eventually returned to the lakes.