Nepal C. Dey

Nepal C Dey

Adjunct Professor
Environment and Health Sciences
James P Grant School of Public Health

BRAC University
5th Floor (Level-6), icddr,b Building
68 Shahid Tajuddin Ahmed Sharani, Mohakhali, Dhaka 1212, Bangladesh
T: +880-2-9827501-4, Fax: +880-2-8810383
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Dr. Dey’s research applies quantitative, empirical and modeling approaches to refine our understanding of environmental impacts on natural resources and health. He has extensive experience in policy research, teaching, implementation and consultancy for public, private and UN organizations. Before joining BRAC University, he worked as Senior Research Fellow with Research and Evaluation Division of BRAC, Associate Professor,  Department of Environmental Science and Disaster Management, Noakhali Science and Technology University; Environment and Sustainable Development Specialist—UNDP-Bangladesh; Agricultural Engineer/Project Director¬—Department of Agricultural Extension. He has received a good number of competitive research grants from the reputed organizations such as International Water Management Institute (IWMI), FAO, UN Foundation, IUCN, UN Women, AusAid & DFID (SPA), Yale and Stanford  University, Netherlands Government, Ministry of Science and Technology, Bangladesh, where he led the research team as Principal Investigator. Dr. Dey has published over 50 papers in peer reviewed journals, book chapters and presented papers (>50 nos.) at Int’l. Conferences/Symposium as Invited Speaker; Chairing/Co-Chairing various technical sessions. Besides, he has been affiliated with numerous social and professional societies in home and abroad. He is an editorial board member and reviewer of many Journals with repute. He has been serving as an Expert Member for Annual Agricultural Engineering Research Review of National Agricultural Research System (NARS), Ministry of Agriculture since 2012 and for R&D Thematic Group on Water Supply and Sanitation for the Policy Support Unit of LGED of Govt. of Bangladesh since 2012. Dr. Dey holds a B.Sc. Eng. (Ag) from Bangladesh Agricultural University, Mymensigh and M.Sc. Eng. (Water Resources) from Bangladesh University of Engineering & Technology, and he received Ph.D. from the Tottori University, Japan. Area of research interest includes sustainable development, developing climate-smart village, water security and quality, sustainable groundwater uses, improving water productivity, environmental and social impact assessment, environmental pollution and health.

Selected publications:

  1. Dey NC, Bala SK, Islam AKM, Saha R, Parvez M, Hossain M (2017). Sustainability of groundwater use for irrigation for dry-season crops in the northwest Bangladesh. Groundwater for Sustainable Development, Elsevier publisher, 4 (2017), pp.66–77. (10.1016/j.gsd.2017.02.001).
  2. Salem GSM, Kazma S, Shahid S, Dey NC (2017). Groundwater-dependent irrigation costs and benefits for adaptation to global change. Adapt. Strategies for Global Change, Springer publisher. (
  1. Saha R, Dey NC, Rahman S, Galagedara L, Bhattacharya P (2018). Exploring suitable sites for installing safe drinking water wells in coastal Bangladesh. Groundwater for Sustainable Development 7, Elsevier Publisher (
  1. Dey NC, Parvez M, Saha R, Islam MR, Akter T, Barua M, Islam A (2018). Water quality and willingness to pay for safe drinking water in the coastal area of Bangladesh. Exposure and Health, Springer publisher. (
  1. Dey NC, Ali M, Arif T and Ahmed SM (2017). Women’s knowledge and perceived health effects from exposure to indoor air pollution: findings from a population-based cross-sectional survey in rural Bangladesh. J Health Sci Educ 1(1): 105.
  1. Dey NC, Parvez M, Dey D, Saha R, Ghose L, Barua M, Islam A, Chowdhury M (2017). Microbial contamination of drinking water from risky tubewells situated in different hydrological regions of Bangladesh, I J. Hygiene and Environmental Health, 220 (3), pp.621–636, Elsevier Publisher (doi. 10.1016/j.ijheh.2016.12.007).
  1. Salem GSA, Kazama S, Shahid S and Dey NC (2017). Impact of temperature changes on groundwater level and irrigation cost in a groundwater-dependent agricultural region in Northwest Bangladesh." Hydrology Research Letters, 11 (1), p 85-91(
  2. Salem GSA, Kazama S, Shahid S and Dey NC (2017). Optimum abstraction of groundwater for sustaining groundwater level and reducing irrigation cost. Water Resources Management, 31 (6), pp. 1947–1959, Springer publisher (DOI: 10.1007/s11269-017-1623-8.
  1. Basak JK, Titumir AMR, Baten MA and Dey NC (2015). A review study on food consumption and hovered nutrition in Bangladesh: Progress and determinants of food security. Environ. Sci., Vol. 29, pp: 29-36. [ISSN 1561-9206].
  1. Akter T and Dey NC (2014). Transition overtime in household latrine use in rural Bangladesh: a longitudinal cohort study. BMC Public Health; 14:721
  1. Basak JK, Titumir RAM, Dey NC (2013). Climate change in Bangladesh: A historical analysis of temperature and rainfall. J Environment; 2(2):41-46.
  1. Rabbi SE and Dey NC (2013). Exploring the gap between hand washing knowledge and practices in Bangladesh: a cross-sectional comparative study. BMC Public Health, 13:89 doi:10.1186/1471-2458-13-89
  1. Dey NC, Alam SM, Sajjan AK, Ali MA, Ibaraki Y, Ghose L (2011). Assessing environmental and health impact of drought in the northwest Bangladesh. J Environ Science & Natural Resources, 4(2):89-97.
  1. Dey NC,Sujit K Bala and Seiji Hayakawa(2006). Assessing the economic benefits of improved irrigation management: a case study of Bangladesh. Water Policy J; 8(6):573-84, doi:10.2166/wp.2006.058.