Perry L. McCarty (October 29, 1931 – June 4, 2023) was an American scientist and professor of environmental engineering.
He is best known for his contributions to the environmental engineering profession through education, research, and service to government and industry.
From 1962, he was a member of the faculty of Stanford University, where he held the Silas H. Palmer Professorship of civil engineering.
He was a lifetime honorary member of the American Academy of Environmental Engineers and Scientists, the American Society of Civil Engineers, the American Water Works Association, the Association of Environmental Engineering and Science Professors, and the Water Environment Federation.
[2] In 1992, he received the Tyler Prize for Environmental Achievement,[3] in 1997 he received the Athalie Richardson Irvine Clarke Prize for outstanding achievements in water science and technology,[4] and in 2007, he received the Stockholm Water Prize citing, "his [McCarty's] pioneering work in developing the scientific approach for the design and operation of water and wastewater systems.