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Hamilton to have world’s largest membrane reactor wastewater treatment plant – by far

CH2M Hill in association with AECOM has been given a contract to upgrade a wastewater treatment facility in Ha...


CH2M Hill in association with AECOM has been given a contract to upgrade a wastewater treatment facility in Hamilton, Ontario. Hamilton’s harbour is listed as an “Area of Concern” by the Canada-U.S. International Joint Commission on the Great Lakes. Hamilton faces a number of challenges to its wastewater treatment, including growth and managing wet water flows from combined sewer systems.

The existing Woodward Wastewater Treatment plant in Hamilton is an activated sludge plant. It will be converted into a membrane bioreactor that will be the largest in the world by a factor of at least 3 times.

The project’s capital cost, which includes components that will be delivered by AECOM (e.g. pumping station, sludge dewatering, etc.), will be in the range of $500 million. 

Currently, CH2M HILL is designing the world’s largest membrane bioreactor facility – located in King County, Washington.