THE FIRST EPISODES The Chicago River originally flowed into Lake Michigan, carrying with it the city's sewage and industrial waste. This posed a serious public health risk as the city's drinking water intake pipes were located near the mouth of the river in Lake Michigan. Did you know that to fix the problem, late 19th-century city planners pulled off one of the most significant engineering feats in the nation's history? They reversed the Chicago River! SUBSCRIBE to HISTORY SHORTS CONNECT @ X Facebook YouTube Find us at www.historyshortspodcast.com Learn more about your ad choices. Visit megaphone.fm/adchoices

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