- American water works association
- Applied Research Institute – A palestinian institute, researching the natural resource in the West bank and Gaza strip
- Australian Government National Water Commission
- CIESM – International commission for the scientific exploration of the Mediterranean sea
- Desalination Directory Online – European Desalination Society
- EMWIS – Euro-Mediterranean Information System on the know-how in the Water sector
- EPA – U.S Environmental Protection Agency
- EcoPeace Friends of the Earth Middle East – a unique organization that brings together Jordanian, Palestinian, and Israeli environmentalists
- European Desalination Society
- European Energy and Water Balance Monitoring System
- European Environment Agency – The Water Information System for Europe
- European Water Association
- Global Precipitation Climatology Centre (GPCC) – provides global precipitation analyses for monitoring and research of the earth’s climate.
- Global Runoff Data Centre (GRDC) – Acquisition, Storage, Dissemination and Reporting of river discharge data on global scale.
- Global Water Information Network
- Global Water Intelligence – Market Leading Analysis of the International Water Industries
- International Consortium on Landslides (ICL) – an International non-governmental and non-profit scientific organization
- International Water Association – UK
- Jerusalem Water Undertaking
- Mediterranean Network on Wastewater Reclamation and Reuse
- Metropolitan Water District of Southern California
- Middle East Desalination Research Center
- Netherland Water Partnership
- Palestinian Academic Network
- SAHRA – Sustainability of semi-Arid Hydrology and Riparian areas
- SISCAL – Satellite Information System for Coastal Areas and Lakes
- The Global Hydrology Resource Center (GHRC) – provides both historical and current Earth science data, information, and products from satellite, airborne, and surface-based instruments.
- The Global River Discharge Database (RIVDIS) – represents the first step in a continually evolving compilation of river discharge information.
- The National Academies Water Information Center – Information resource for scientists, managers and reseachers
- UNESCO Water Portal’s newsletter – UNESCO Water Portal newsletter brings you the latest news, events, facts and figures, publications and links about a different water related theme every two weeks
- UNESCO Water portal
- United Nations Environment Programme (UNEP):Freshwater Portal – Information on Key Issues of the Water Situation
- WISE Water Information System for Europe
- Water Quality Association
- Welcome to Jordan valley authority (Jordan)
- World Health Organization
- World Health Organization Water sanitation & Health
- World Meteorological Organization (WMO): Hydrology and Water Resources Programme – Collection and Analysis of Hydrological Data as a Basis for Assessing and Managing Freshwater Resources