The World Water Forum, an initiative of the World Water Council (WWC), an international water policy think-tank, is held every three years.
- The 1st World Water Forum was held in Marrakesh, Morocco, during March 1997 set a goal for the WWC of developing "a long-term Vision on Water, Life and the Environment for the 21st Century" and prioritized goals: "water and sanitation; shared water management; ecosystem conservation; gender equality; and efficient use of water." A statement was made cautioning against "treating water as a marketable good".
- The 2nd World Water Forum was held in The Hague, the Netherlands, during March 2000. Key challenges for the future were identified "as meeting basic water needs, securing food supply, protecting ecosystems, sharing water resources, managing risks, and valuing and governing water wisely. An agreement was made "to review progress in meeting these challenges on a regular basis, and to provide support to the UN system to periodically reassess the state of freshwater resources."
- The 3rd World Water Forum was held in Kyoto, Osaka and Shiga, Japan during March 2003, attracting 24,000 participants from over 170 countries. A declaration "underscoring the role of water as a driving force for sustainable development" was adopted and "the Portfolio of Water Actions – an inventory of more than 3,000 local actions with respect to this vital resource" was launched. '“Financing Water for All” a report of a high-level Panel chaired by Michel Camdessus, former Director General of the International Monetary Fund, was also presented, leading to the establishment of an intersessional Task Force on Financing Water for All.'
- the 4th World Water Forum, Mexico 2006 was held March 16-22, 2006 in Mexico City.
- 5th World Water Forum will be held March 2009, around the UN-World Water Day (March 22nd) in Istanbul. It takes place within the 2005-2015 UN International Decade for Action, "Water for Life"
- Quotes regarding the proceedings of the Forums are from World Water Forum Bulletin