James Herbert Lenhart, Jr., PE, D.WRE

Chief Technology Officer
Contech Engineered Solutions

James H. Lenhart, PE, D.WRE

Jim is the Chief Technology Officer for Contech Engineered Solutions. He was the technical founder of Stormwater Management Inc which developed the StormFilter®. Jim is a named inventor of multiple US patents in the field of stormwater treatment. He has authored over 50 papers on the subject of water quality and stormwater treatment. Jim is a professional Agricultural and Environmental Engineer with over 30 years of experience. He has served as an adjunct instructor of Civil Engineering at Portland State University where he taught hydraulics and water resources engineering. Jim is an active member of the Water Environment Federation Stormwater Institute, ASCE EWRI, and serves as Chair of the Urban Water Resources Research Council. Jim holds a BS in Plant Sciences, a BS in Agricultural Engineering and MS in Water Resources Engineering. He is a Diplomate of the American Academy of Water Resources Engineers. Most recently he was Technical Chair of the EWRI Operations and Maintenance of Stormwater Control Measures in Denver Colorado.

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