About Us

EES Consulting is a registered professional and management consulting corporation with offices in the metropolitan areas of Seattle, Washington and Los Angeles, California. Learn more about our management and staff.

Scott Mahnken, P.E., P.Eng., Senior Civil Engineer

Mr. Mahnken has 33 years of civil engineering experience in planning, design and construction of hydroelectric and other water resource projects. His primary role has been as design engineer for new and existing hydroelectric projects, dam rehabilitations, pipelines, and hydraulic structures. His responsibilities include field investigations, preliminary design reports, design criteria, cost estimates, final plans and specifications, and construction monitoring. Mr. Mahnken has served as Independent Consultant for FERC Part 12D Safety Inspections.