Roger W. Babcock Jr

Professor of Civil and Environmental Engineering
Graduate Program Chair
Office: Holmes Hall 346
Phone: (808) 956-7298
Related Web Page: Water Resources Research Center

Areas of Specialty and Research Interest

  • Environmental engineering: Biological wastewater treatment
  • Membrane bioreactors
  • Wastewater recycling/reuse
  • Green roofs
  • Genetic fingerprinting for assessing bacterial diversity
  • On-site wastewater treatment
  • Environmental water quality


  • Ph.D., Civil and Environmental Engineering, University of California, Los Angeles, 1991
  • M.S., Civil and Environmental Engineering, California Polytechnic State University, San Luis Obispo, 1989
  • B.S., Civil Engineering, University of California, Davis, 1987

Professional Registration

  • Registered Professional Engineer (PE) in Civil Engineering: No. 51325, California; No. 12133 Hawaii


  • Assistant, Associate and Full Professor, Department of Civil and Environmental Engineering, University of Hawaii at Manoa, 1995-present
  • Associate Director – Engineering, National Science Foundation (NSF) MarBEC Engineering Research Center, University of Hawaii at Manoa, 1999-2001
  • Visiting Scholar, Institute for Process Engineering, Technical University of Berlin, Germany, 1994
  • Project Engineer, Carollo Engineers, Walnut Creek, California, 1992-93

Courses Taught ( in the last five years)

  • CEE330: Environmental Engineering (S’14, S’15, S’16, S’17, S’18)
  • CEE431: Water and Wastewater Engineering (F’14, F’15, F’16)
  • CEE489B: Surveying & AutoCAD (F’13, F’14, F’15, F’16, F’17)
  • CEE489C: Professional Ethics (F’13, F’14, F’15, F’16, F’17)
  • CEE499: Special Problems (S’14, S’15, F’15, S’16, F’16, S’17, F’17, S’18)
  • CEE490: Senior Design Project  S’14, S’15, S’16, S’17, S’18)
  • CEE634: Biological Treatment
  • CEE635: Environmental Chemistry

Professional Activities

  • Member/Chair, Board of Certification of Operating Personnel in Wastewater Treatment Plants, State of Hawaii, 1996-2003, 2011-2019
  • Member, UH Manoa Faculty Senate, 2001-2002
  • President, College of Engineering Faculty Senate, 2006-2007
  • Chair, UH Manoa General Education Ethics Board, 2005-2007
  • Faculty Advisor, ASCE Student Chapter, 2001-2003, 2005-present
  • Member, UH Manoa Graduate Council, 2006-2012
  • Member, UH Ethics Committee, 2008-present
  • Chair, Civil Engineering Graduate Program, 2009-present
  • Treasurer, Secretary, Vice-President, President Elect, President, Past President, ASCE Hawaii Section, 2006-2012
  • Technical Program Chair, EWRI World Congress, 2008
  • Technical Program Co-Chair, EWRI World Congress, 2009
  • Director, HI Statewide Wastewater Operator Training Center, 2010-present
  • Secretary/Treasurer, Vice-President, President, Past President, Hawaii Water Environment Association of WEF, 2016-2020


  • ASCE Student Chapter Faculty Advisor Award, 2002
  • ASCE Faculty Advisor Certificate of Commendation, 2003, 2004, 2008
  • Manoa Sustainabilty Teaching Award, 2006
  • ASCE Hawaii Section, Outstanding Civil Engineering Achievement Award, Best Study/Research Project, 2009
  • Hi Chang Chai Excellence in Teaching Award, 2009, 2015
  • Order of the Engineer, Outstanding Link Coordinator, 2014

Research Grants

  1. Babcock, R.W.Jr. (PI) “˜Hydrodynamics and mass transfer in tubular photobioreactor systems,” funded by National Science Foundation MarBEC Engineering Research Center, November 1998-October 2001.
  2. Babcock, R.W.Jr. (PI) “˜Evaluation of potential irrigation impacts on groundwater,” funded by DOD – Army COE, Waterways Exp. Sta., April 2003-April 2004
  3. Babcock, R.W.Jr. (PI) “˜Pilot-scale regeneration of granular activated carbon,” funded by Board of Water Supply, City/County of Honolulu, November 2002-December 2004
  4. Babcock, R.W.Jr. (PI) “˜Sequential anaerobic-aerobic biodegradation of PCBs and PAHs in phytoremediation cuttings using slurry reactors and composters,” funded by Environet Inc., May 2002-October 2003.
  5. Babcock, R.W.Jr. (PI) “˜Honolulu membrane bioreactor pilot test,” funded by WateReuse Foundation/Kennedy-Jenks/City-County of Honolulu, June 2003-May 2007.
  6. Babcock, R.W.Jr. (PI) “˜Identification and control of membrane bioreactor biofouling organisms using genetic fingerprinting,” funded by USGS, Water Research Institute Program, March 2006-February 2008.
  7. Babcock, R.W.Jr. (PI) “˜Hilo landfill leachate treatability study,” funded by Hawaii County/ERM Inc., June 2008-December 2009.
  8. Babcock, R.W.Jr. (PI) “˜Measurement of phytoremediation and biodegradation of RDX, HMX, DNT and related compounds in the tropical environment,” funded by DOD-ESTCP/Environet Inc., February 2007-August 2010.
  9. Babcock, R.W.Jr. (co-PI) “˜On-site sewage disposal system inspection protocol development,” funded by Hawaii Department of Health, June 2008-November 2010.
  10. Babcock, R.W.Jr. (PI) “˜Green roof design study,” funded by UH Manoa Facilities, September 2011-June 2012
  11. Babcock, R.W.Jr. (PI) “˜Sediment Retention at Honok?wai Structure #8, funded by State of Hawaii, DLNR, Division of Aquatic Resources, October 2013-September 2014
  12. Babcock, R.W.Jr. (PI) “˜Evaluation of several types of granular activated carbon (GAC) for adsorption of Trichloropropane (TCP) in different matrices,” funded by AECOM Inc, December 2013-December 2014
  13. Babcock, R.W.Jr. (PI) “˜Performance of a residential wastewater system study,” funded by Envirocycle Worldwide Inc, July 2012-March 2015
  14. Babcock, R.W.Jr. (PI) “˜Nutrient and sediment contributions from urban storm water,” funded by National Fish and Wildlife Foundation, November 2014-June 2017
  15. Babcock, R.W.Jr. (co-PI) ‘Assessing the vulnerability of coastal wastewater infrastructure to climate change,’ funded by Sea Grant, University of Hawaii, February 2016-January 2018
  16. Babcock, R.W.Jr. (PI) ‘Demonstration study of high-rate flotation/contactor treatment of raw wastewater,’ funded by RM Towill Corp, March 2016-February 2017

Selected Publications

  1. Babcock, R. W. Jr., McNair, D.A., Edling, L.A., and Nagato, H. (2004) Evaluation of a system for residential treatment and reuse of wastewater. J. Environ. Engin. ASCE 130(7): 766-773.
  2. Khan, E., Babcock R. W. Jr., Hsu, T.-M., and Lin, H. (2005) Mineralization and Biodegradability Enhancement of Low Level p-Nitrophenol in Water Using Fenton”s Reagent. J. Environ. Engin. ASCE131(2): 327-331.
  3. Babcock, R. W. Jr., Lin, B., and Spengler, S. (2006) Use of boron as a tracer for recycled water in brackish aquifers.  J. Environ. Eng. ASCE 132(8): 862-871.
  4. Jiang, P., Chen, H.-T., Babcock, R. W. Jr., and Stenstrom, M. K. (2009) Modeling ozone mass transfer in reclaimed wastewater. Wat. Environ. Res. 81:57-68.
  5. Leu, S-Y, Babcock, R. W. Jr., Tzeng, C.J., and Stenstrom, M.K. (2009) Modeling the Performance of Hazardous Wastes Removal in Bioaugmented Activated Sludge Processes. Wat. Environ. Res. 81:2309-2319.
  6. Lamichhane K and Babcock R W Jr (2012) An economic appraisal of using source separation of human urine to contain and treat endocrine disrupters in the USA. J Environ. Monitoring 14: 2557-2565.
  7. Lamichhane K, Babcock R W Jr, Turnbull S J, and Schenck S (2012) Molasses enhanced phyto and bioremediation treatability study of explosives contaminated Hawaiian soils. J. Hazard. Mater. 243: 334-339.
  8. Lamichhane K and Babcock R W Jr (2013) Survey of attitudes and perceptions of urine-diverting toilets and human waste recycling in Hawaii. Sci. of Total Environ. 443: 749-756.
  9. Payne Z M, Lamichhane K, Babcock R W Jr, and Turnbull S J (2013) Pilot-scale in-situ bioremediation of HMX and RDX in soil pore water in Hawaii. J. Environ. Sci.: Process Impacts. 15 (11): 2023-2029.
  10. Huang T, Jia R, Xia S, and Babcock R W Jr (2014) Effect of various parameters on microbial communities in membrane bioreactors treating municipal wastewater.  Frensius Environ. Bul. 23(4): 976-985.
  11. Li Y and Babcock R W Jr, (2014) Green roof hydrologic performance and modeling: A review. Wat. Sci. Tech. 69 (4): 727-738.
  12. Li Y and Babcock R W Jr, (2014) Green roofs against pollution and climate change. A review. Agron. Sustain. Dev. 34 (4): 695-705.
  13. Babcock R W Jr, Lamichhane K M, Cummings M J, and Cheong G H (2014) Condition Assessment Survey of Onsite Sewage Disposal Systems (OSDS) in Hawaii. Wat. Sci. Tech. 70 (6): 1083-1089.
  14. Babcock R W Jr, Senthill A, Lamichhane K, Agsalda J, and Lindbo G D (2015) Onsite aerobic cyclic biological treatment unit provides enhanced nitrogen removal, Wat. Sci. Tech. 71 (12): 1831-1837.
  15. Li Y and Babcock R W Jr, (2015) Modeling Hydrologic Performance of a Pilot Green Roof with HYDRUS-2D, J. Environ. Eng. ASCE 141 (11): 04015036-1-9.
  16. Babcock R W Jr, Wellbrock A, Slenders P, and Radway J (2015) Improving mass transfer in an inclined tubular photobioreactor, J. Appl. Phycol. DOI 10.1007/s10811-015-0763-6.
  17. Xu-Sadri H, Babcock R W Jr, Lamichhane K (2015) Analysis and comparison of the bacterial community in membrane bioreactors and other treatment systems, Int. J. Wat. Wastewater Trt. 2(1): doi