Charles R. O'Melia Distinguished Educator Award, Association of Environmental Engineering and Science Professors (AEESP). June 2017

Carnegie Mellon University Barbara Lazarus Award for Graduate Student and Junior Faculty Mentoring, 2017

Carnegie Mellon University College of Engineering (CIT) Steven J. Fenves Award for Systems Research, 2015.

Distinguished Educator Award, Society for Risk Analysis, December 2013

Best Reviewer Award, for journal Risk Analysis, December 2012.

Appointed as board-certified member of the American Academy of Environmental Engineers (AAEE) by eminence, December 2006.

Elected Fellow of the Society for Risk Analysis (SRA), December 2003.

2003 American Water Works Association (AWWA) Award for the Best Paper in the Small Systems Division, and the 2003 AWWA Publications Award (selected from the divisional winners), for the Journal of America Water Works Association paper, "Point-of-use treatment and the revised arsenic MCL."

Frank Wilcoxon Prize, 1992, American Society for Quality Control - for best practical applications paper in the journal Technometrics, "Modeling lake-chemistry distributions: Bayesian methods for estimating a finite-mixture model."

National Science Foundation Presidential Young Investigator Award, 1986-1991.

The Universities Council on Water Resources, Inc., 1982 Award for the Outstanding Water Resources Thesis in the Field of Environmental and Water Resources Engineering.

Horner Award, 1980, American Society of Civil Engineers - for outstanding urban hydrology paper, "Stormwater interception and storage."

College of Engineering Fellowship, University of Michigan, 1978-1979.

Rackham Pre-Doctoral Fellowship, University of Michigan, 1980-1981.