Chicago Harbor Lock

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108 N Streeter Dr
Chicago, IL 60611

The Chicago Harbor Lock is a significant site managed by the U.S. Army Corps of Engineers, specifically within the Chicago District. This facility not only plays a crucial role in water-level management but also provides valuable data on gage heights in the Chicago River, enhancing navigation safety and environmental monitoring.

Operational data from the lock is vital for local water management and is monitored by the Urbana Field Office. The site offers an array of statistics, including historical observations and time-series data, relevant for both public agencies and research entities.

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4.02 reviews
Photo of Robert S.
Robert S.
8/29/2010

This is the only way out of the river and into the harbor, it is free to use for all vessels, and it helps to maintain the rivers flow of water, " Located on Lake Michigan, at the mouth of the...

Photo of Mira S.
Mira S.
12/9/2012

Fun to see on a harbor tour, and probably not easy to see up close otherwise. Rather than just pulling back, the sides of the gate sort of turn one hinge. The lock station looks like a big ship,...

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