2015: CH2M, USA
For its "transformative technologies and strategic communication."
2014: eThekwini Water & Sanitation, South Africa
For its "open approach to experimenting and piloting new solutions across both technical and social aspects of service delivery [which] has made eThekwini a forerunner in the world of utility-run services"
2013 Netafim, Israel
For its "remarkable achievements, helping farmers across the world to 'grow more with less,' which directly contribute to a more water- and food-secure world."
2012 PepsiCo, India
For "its efforts to increase water efficiency, conserving nearly 16 billion litres of water in 2011 from a 2006 baseline, demonstrating that responsible water use makes good business sense."
2011 Nestlé, Switzerland
For "its unwavering commitment, establishing itself as a leader in smart water management, and providing an example for other food producers and distributors to follow."
2010 Phnom Penh Water Supply Authority, Cambodia
For "its world class performance in water supply and self-sufficiency" (see also Water supply in Phnom Penh).
2009 Trojan Technologies, Canada
For their contribution to a viable industry in the area of ultraviolet technologies which has advanced regulatory acceptance, overcome limitations of existing technologies, and provided a means of protecting public health and developing new sources of water supply.
2008 Orange County Water District and Orange County Sanitation District, USA
Development of the world's largest groundwater recharge purification plant by the Orange County Water District and Orange County Sanitation District.
2007 Public Utilities Board, Singapore
For "their holistic approach to water resources management which made water use sustainable for different sectors of society in a unique and challenging urban island environment."