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John Greer

Senior Hydrogeologist

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John Greer has over three decades of experience and has been involved in all aspects of geologic and hydrogeologic evaluations. John has expertise in aquifer testing; environmental site investigations; and groundwater modeling for regional contaminant-transport studies, remedial investigations and feasibility studies, evaluations of remedial systems design, wellhead protection, and water-supply assessments. He has directed water-source investigations for proposed power plants and municipal water-supply wells and has developed wellhead protection plans for numerous municipalities. He also has experience directing hydrogeologic investigations of contaminated sites.


(952) 832-2691


Professional Geologist (AK, IN, MN, MO, NH, TX, UT, WA, WI)

Professional Hydrogeologist (WA)

service area lead

groundwater modeling


MS, Geophysics, Arizona State University

BS, Physics, University of Notre Dame

BS, Earth Science, University of Notre Dame


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

Phone: 952-832-2600
Fax: 952-832-2601
Toll free: 800-632-2277