Nature’s technologies, engineered for life: WEDECO has been firmly established for over 30 years in the world of environmentally friendly treatment of drinking water and waste water with ultraviolet light and ozone. WEDECO stands for economical and forward-looking technology, combined with first-class service and engineer services “made by Xylem”. Over 250,000 installed WEDECO systems for UV disinfection and ozone oxidation ensure a healthy and sustainable water quality in numerous private, municipal and industrial areas of application worldwide.