WaterHealth International (WHI) is a global leader in providing access to safe, WHO-quality affordable drinking water to underserved communities. WHI has developed a low-cost business model for the installation, operation, maintenance, and quality monitoring of community water purification systems called WaterHealth Centers. WHI has installed more than 500 WaterHealth Centers across India, Bangladesh, Ghana, Nigeria, and Liberia, providing access to safe water to more than 5 million people.