GWP membership is open to all organizations involved in water and water resource management. Currently GWP-SEA network has over 360 member organizations in the 9 SEA Countries : Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippine, Singapore, Thailand and Vietnam.
In 2010 the Central American Bank of Economic Integration (CABEI) and GWP Central America decided to draw up a formal agreement to advance IWRM as a fundamental approach to dealing with water security, climate change and achieving the Millennium Development Goals nationally and regionally.
GWP Chair Letitia A Obeng visited China 15- 19 October to participate in the High-Level International Forum on Water Resources and Hydropower in Beijing.
GWP Slovenija host institute Limnos has been awarded as the national winner for Slovenia
The Consejo Hídrico Federal (COHIFE) delegate, one of the participants in a regional meeting on finance in the water sector held in March 2009, was instrumental in arranging for a workshop on the issue in Argentina in November 2010.