Takashi Asano is a Japanese-born environmental engineer and a professor emeritus at the University of California, Asano has more than 40 years of academic and professional experience in environmental and water resources engineering, specializing in water reclamation, recycling, and reuse. During 1978–1992, he served as the water reclamation specialist for the California State Water Resources Control Board (SWRCB) in Sacramento, during the formative years of water reclamation, recycling, and reuse. Asano has conducted water reclamation and reuse studies at the SWRCB and the University of California at Davis, many of which contributed to the scientific and technical basis for State of California's Title 22 regulations. Previously, Asano taught at Montana State University, Bozeman, 1971–75, and Washington State University, Pullman, 1975–78. He has continued to lecture widely and publish on topics current and ancient.