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James Crook, PhD, PE , is an Environmental Engineering Consultant with more than 45 years of experience. He has worked in state government and consulting engineering, serving public and private sectors in the United States and abroad.


He has authored more than 100 publications and is an internationally recognized expert in water reclamation and reuse. Crook spent 15 years directing the California Department of Health Services water reuse program, during which time he developed California’s first comprehensive water reuse criteria. He spent 15 years consulting for engineering firms overseeing water reuse projects and is now an independent consultant specializing in water reuse.


He was elected as a Water Environment Federation Fellow in 2014 and selected as the AAEE 2002 Kappe Lecturer and the WateReuse Association’s 2005 Person of the Year. Crook has a BS in Civil Engineering from the University of Massachusetts and MS and PhD degrees in Environmental Engineering from the University of Cincinnati.  He is a registered professional engineer in California and Florida.  

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