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Metropolitan Water Reclamation District of Greater Chicago

May 5, 2026

Board meetings are open to the public and can be streamed online.

May 2, 2026

The O’Brien plant opened in October 1928. At the time, it was the largest sewage treatment facility in the world. Nearly a century later, it still serves over 1.3 million people across 143 square miles.

May 1, 2026

For The Love of Water (FLOW) is a summary of news from the Metropolitan Water Reclamation District of Greater Chicago.

April 30, 2026

The Metropolitan Water Reclamation District of Greater Chicago’s (MWRD’s) commitment to public engagement has landed its Office of Public Affairs a Gold Level designation from the Illinois Section of the American Water Works Association’s (ISAWWA) Water Ambassador Program. This is the highest honor granted through the initiative.

April 29, 2026

A comprehensive flood mitigation project that officials say will add 4.5 million gallons of floodwater storage capacity for Crestwood and Midlothian was presented to residents.

April 29, 2026

The event is part of Chicago River Day, an annual, region-wide initiative to protect and restore local waterways.