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MWH History

Historical Image of Orange County Water Factory 21, courtesy of OCWD

Pioneering Water Reclamation at James M. Montgomery Consulting Engineers

From the MWH Archives | In 1945, James McKee Montgomery laid the foundation for an environmental engineering consultancy firm named James M. Montgomery Consulting Engineers, Inc. (JMM) in Pasadena, CA, focusing on water and wastewater solutions. You may recognize “Montgomery” as the “M” in MWH. The company was officially incorporated in 1954 and offered a range of engineering and construction management services.