The HWTS Network is a World Health Organization and United Nations Children’s Fund initiative bringing together over 150 key stakeholders worldwide to promote and scale up the adoption of practices and technologies that improve the quality of household drinking water for vulnerable populations. The informal network format emphasizes flexibility, participation and creativity to support coordinated action. Participants include UN agencies, development agencies, non-governmental organizations, research institutions, international professional associations and the private sector. Participation is open to all interested parties that agree with the Network mission and guiding principles and who are willing to commit themselves to working toward achieving the objectives of the Network.