Water Missions International (WMI) is a nonprofit, Christian engineering organization serving the water and sanitation needs of people in developing countries and disaster areas. WMI uses low-maintenance, appropriate water technologies for drinking water treatment and distribution, wastewater management, and storm water control.

WMI’s mission is to provide sustainable access to safe water and an opportunity to hear the "Living Water" message in developing countries and disaster areas.

WMI’s vision is that no person should perish for want of safe drinking water or an opportunity to hear the "Living Water" message.

Clean water is the source of life. It is the foundation for health, education, and viable economies. Through the generous support of individuals, churches, nonprofits, and businesses, WMI has brought relief and hope to more than a million people across the globe.