What is the greatest engineering feat in Chicago? @ChicagoArchitecture
What is the greatest engineering feat in Chicago? @ChicagoArchitecture
Uploaded June 2025 | Updated September 2026, 2 weeks ago
Just after midnight on January 2, 1900. The Sanitary District of Chicago blew up a temporary dam opening the Sanitary and Ship Canal and reversed the flow of the Chicago River. But why? It ensured public health by sending wastewater away from Lake Michigan, the city’s source of drinking water. #chiarchitecture #chicago #architecture #chicagoriver
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What is the greatest engineering feat in Chicago?

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