The Metropolitan Water Reclamation District of Greater Chicago (MWRD) treats roughly 1.2 billion gallons per day of wastewater during dry weather at seven treatment plants throughout Cook County, Illinois. Treatment is conventional secondary treatment at the largest plants, which discharge to secondary contact waters and tertiary treatment at plants that discharge to general use waters. This presentation will detail the energy and resulting carbon footprint associated with treating water at these different plants. Included in the presentation will be the energy used to manage the Chicago Area Waterways and an outline of the water consumed by facilities that produce electricity and refine oil in the MWRD service basin.
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