Ray Wuolo

Ray Wuolo

Ray has more than three decades of experience in the characterization and investigation of groundwater flow and groundwater contamination. He specializes in computer modeling of groundwater flow and contaminant transport, aquifer testing, well design, pump-and-treat system design, and automated inverse calibration methods. At Barr, Ray leads projects involving groundwater supply and sustainability, hydrogeologic site evaluation, mining hydrogeology, aquifer remediation, environmental chemistry, and environmental impact statements. He has also provided expert testimony on groundwater flow issues.



Vice President
Senior Hydrogeologist


Professional Geologist (AB, KS, MN, MO, WY)

Professional Engineer (AB, ID, MI, MN, MO)


MS, Geological Engineering, South Dakota School of Mines and Technology

BS, Geological Engineering, Michigan Technological University


Barr Engineering Co.
4300 MarketPointe Drive
Suite 200
Minneapolis, MN 55435
Phone: +1 952-832-2696

Related projects

Multi-site PFAS remedial investigation and remediation
Groundwater-flow model of the Twin Cities metro area
Road raise and conceptual design