WESI has several co-operation agreements, programs and projects with international institutions and agencies:

• Joint Project with Utah State University (USU), Logan, Utah, USA
• Joint projects with The Federal Ministry of Education and Research (BMBF), Germany – GLOWA project
• Co-operation agreement with University of Jordan, Amman, Jordan
• Co-operation agreement with National Water Research Centre, Cairo, Egypt
• Joint academic supervision with the Institute of Hydrology of Freiburg University, Germany
• Joint project with Achen University, Germany
• Joint training program and research projects with UNESCO
• Project with the German Agency for Technical Cooperation (GTZ), Germany
• Joint projects with UNDP/PAPP
• Joint project with Near East Foundation (NEF)
• Joint agreement with the World Bank
• Joint awareness campaign with Save the Children Federation (SCF)
• Joint project with Development Alternative International and USAID
• Joint academic program with Loughbourgh University, UK
• Joint project with Delft Hydraulics, The Netherlands
• Joint project with National Technical University of Athens, Greece
• Joint project with Purdue University, USA
• Joint project with Kohn University, Germany
• Joint project with Newcastle University, UK
• Joint projects with CARE International
• Joint projects with Acción Contra el Hambre (ACH) – Spain