Board of Commissioners

Created in 1889 as the Sanitary District of Chicago, the Metropolitan Water Reclamation District of Greater Chicago (MWRD) today is a special-purpose district responsible for treating wastewater and providing stormwater management for residents and businesses in its service area, which encompasses 882.1 square miles and includes Chicago and 128 suburban communities throughout Cook County.

The MWRD serves approximately 10.35 million people each day, including 5.25 million residents of Chicago and 128 suburban communities. To learn more about the agency’s management structure and departments, click here.