Prof. Emeritus Jack Delleur was honored with an EWRI 2011 Lifetime Achievement Award. This award is made by the Environmental and Water Resources Institute of the American Society of Civil Engineers. Established in 2011, the award is presented to members who are judged to have advanced the profession, exhibited technical competence, and significantly contributed to public service, research, or practice in the environment and water resources profession. The award plaque states that Jacques W. Delleur, D.Eng.Sc., P.E., M.ASCE received this award "In recognition of his lifelong and eminent contribution to the environmental and water resources engineering disciplines through practice, research and public service."