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Katie Wolohan

Environmental Engineer

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Katie Wolohan has over five years of environmental consulting experience assisting clients with industrial water and wastewater treatment issues, environmental compliance and permitting, and related technical assignments. She prepares chemical mass balances, monitoring plans, permit applications, reclamation plans, and technical and economic feasibility studies for water and wastewater treatment equipment and processes. Katie also assists with environmental and regulatory-program issues such as waste management; spill prevention, control, and countermeasures plans; and site evaluations and investigations. In addition, she has experience developing stormwater pollution prevention plans, conducting erosion control evaluations, and performing bench-scale tests of industrial water and wastewater treatment systems.


(952) 842-3594


Professional Engineer (MN)


BS, Environmental Engineering, Michigan Technological University


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

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