Evoqua Water Technologies (formerly known as Siemens Water Technologies) is a company providing water and wastewater treatment systems and technologies, mobile and emergency water supply solutions and services for industrial, commercial, and municipal water treatment markets. Its products and services include aerobic and anaerobic wastewater treatment, anodes, carbon and resin, covers for tanks and lagoons, clarifiers and separators, digital water, disinfection, filtration, and high purity systems, carbon exchange, rental, odor and corrosion control, sanitization, and other services.