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Mark Hagley

Vice President, Senior Hydrogeologist

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Mark Hagley has over 25 years of environmental consulting experience. His work includes environmental review; National Pollutant Discharge Elimination System (NPDES) permitting, repermitting, and compliance; remedial investigation and feasibility studies; environmental site assessments and cleanup; waste management; industrial water treatment; water supply projects; and litigation support. In 1996, Mark established Barr’s Duluth office, which now has more than 60 staff members. He continues to provide leadership for Duluth staff working on site assessment and remediation projects.


(218) 529-7109


Professional Geologist (MN, WI)


MS, Geology, Michigan Technological University

BA, Geology, University of Minnesota - Duluth


Barr Engineering Co.
325 South Lake Avenue
Duluth, MN 55802

Phone: 218-529-8200
Fax: 218-529-8202
Toll free: 800-786-5830