WSI’s mission is to work with people and partners to develop innovative and long-lasting solutions to water, sanitation, and hygiene problems all over the world. We develop fresh ideas, apply what has proven successful, experiment with promising new approaches, and connect to all kind of resources to multiply our impact. We continually improve our knowledge base, listen to partners and target groups, and believe that involving communities makes a difference.


We strive to improve access to safe drinking water and affordable sanitation, reduce harm and fatality from water- or sanitation related diseases, reduce environmental pollution, and promote sustainable use of resources. This is our vision.