SAN DIEGO, Calif. (Dec. 2, 2015) – Xylem, a global water technology company, has announced that its Wedeco Duron ultraviolet (UV) disinfection system has received conditional acceptance from the California Water Boards’ Division of Drinking Water (DDW). The California Water Board’s DDW regulates public water systems, oversees water recycling projects, permits water treatment devices and supports and promotes water system security.