Aguas Andinas S.A. is a Chilean sanitary company, controlled by Spanish company General Water Company of Barcelona S.A., through its subsidiary Inversiones Aguas Metropolitanas S.A. (50.1%). It was established in 1989 for collection, production, transport and distribution of drinking water, as well as collection, treatment and management of wastewater, within its concession area. Based in Santiago, it owns and operates Las Vizcachas and La Florida potable water complexes; a biofactory composed of Trebal, Mapocho and La Farfana plants; arsenic and nitrate abatement plants; sanitation plants; distribution and collection lines in Metropolitan, Los Ríos and Los Lagos regions. In addition, it carries out water quality analysis through its subsidiary Anam S.A. and provides services for the operation of sanitary plants through Gestión y Servicios S.A. The company is developing the Project to Increase the Energy Cogeneration Capacity from Biogas (7.4MW) generated in Mapocho and Trebal wastewater treatment plants (8.8 m3/s) in Metropolitan Region.