The article discusses the role and importance of modern ultrafiltration technologies in improving drinking water supply in the context of the transition to a green economy. Such advantages of ultrafiltration as environmental safety, low dependence on chemicals, high degree of purification from microorganisms, economical use of water resources are analyzed. The possibilities of protecting public health, improving living conditions and creating new jobs through the introduction of this technology in remote and water-deficient regions are considered. The article substantiates a comparison of the ultrafiltration method with traditional water purification methods, its cost-effectiveness and compliance with sustainable development goals.