1. School of Materials, Energy, Water and Environmental Sciences (MEWES), The Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
2. Department of Civil Engineering, Wollega University, Nekemte, Ethiopia
3. Water Infrastructure and Sustainable Energy Futures (WISE-Futures) Centre of Excellence, The Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
4. Department of Civil and Environmental Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts, USA