Professional headshot of John Graupman
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  • Graduate of South Dakota State University

John Graupman, P.E.

Principal Environmental Engineer

John comes from a family of civil engineers. He father was Mankato's assistant City Engineer, two uncles were engineers, and even his grandfather had a career in public works for the City of Gibbon. John enjoys wildlife and the outdoors, and his passion for Earth sciences led him to environmental engineering. He manages a range of environmental projects in both the municipal and industrial fields. John has been part of an innovative environmental team at Bolton & Menk, having worked on a number of projects that had not previously been done in the United States. His experience includes planning and feasibility studies; water storage, distribution, and treatment systems; and wastewater treatment facilities. John's love of the outdoors takes him and his family hunting, fishing, water skiing, and snow skiing. And as for the generations of engineers, his oldest son is currently attending college and pursuing an engineering degree.