Awards and honors
- Service Award, Department of Civil and Environmental Engineering, UCD, 2014.
- James H. Meyer Distinguished Achievement Award, UCD, November 2012.
- Certificate of Appreciation for peer review contribution from the Journal of Environmental Science and Technology (ES&T), December 2011.
- Professional Development Award, Academic Federation, UCD, March 2011.
- J.S. Braun/Braun Intertec Professorship Award from the University of Minnesota, January 2010.
- Excellence in Research Award, Sharif University of Technology, January 2009.
- Professional Service and Recognition Award for Serving as the Regional Editor of the Journal of Scientia Iranica, Sharif University of Technology, December 2008.
- Professional Development Award, Academic Federation, UCD, March 2008
- Best Conference Paper Award, American Institute of Hydrology conference on Integrated Watershed Management, Reno, Nevada, April 24, 2007.
- Outstanding Alumni Award, UCD, 2005
- Who’s Who in Science and Engineering, 2004
- Service Award, UC Davis Cal Aggie Alumni Association (CAAA) Board of Directors, 2004
- Fifteen Years Service Award, UC Davis, 2003
- Ten Years Service Award, UC Davis, 1999
- Service Award, California Integrated Waste Management Board, 1995
- Professional Development Award, Academic Federation, UC Davis, 1995
- University of California Washington Center Research Award, UC Davis, 1994
- Distinguished Graduate Student Teaching Award, UC Davis, 1987
- A Closer Look at University Teaching Award, UC Davis, 1987
- Jastro-Shields Research Foundation Scholarship, UC Davis, 1986
- Elected president of Alpha Epsilon, Engineering Honorary Society at the University of California, Davis, 1985-87
- Elected Graduate Student Representative, in the Graduate Student Association at the University of California, Davis, 1985-87
- Distinguished Scholar Tuition Fee Fellowship, UC Davis, 1984-87
- National Dean’s List, USIU, San Diego, CA, 1981
- International Student Scholarship Award, USIU, San Diego, CA, 1980
- National Dean’s List, USIU, San Diego, CA, 1980
- National Dean’s List, USIU, San Diego, CA, 1979