Our UV and UV AOP (Advanced Oxidation) systems are installed in over 11,000 municipal disinfection facilities throughout the world, treating over 66 billion gallons of water per day. We believe clean water is an invaluable resource. That`s why, for more than 45 years, Trojan has led the development of water treatment solutions for wastewater, drinking water, groundwater remediation, water reuse, and other applications.