Companhia De Saneamento Basico Do Estado De Sao Paulo was incorporated on September 6, 1973 under the laws of the Federative Republic of Brazil. The Company was formed from the merger of different sanitation companies and under the guidelines of the National Sanitation Plan. The Company is engaged in providing basic and environmental sanitation services in the State of São Paulo, as well as it supplies treated water and sewage services on a wholesale basis. The Company operated water and sewage services in approximately 365 municipalities of the State of São Paulo. The Company operates approximately 235 water treatment plants and 539 sewage treatment stations, including 9 ocean outfalls. Its water and sewage distribution networks are approximately 71,700 kilometers and 48,800 kilometers long, respectively. The Company also provides advisory services on the rational use of water, planning and commercial management, financial and operating issues. It operates in Panama, Honduras and Nicaragua. It also provides urban rainwater drainage and urban cleaning services, handle solid waste, sell power, and perform other services in Brazil. The Company is subject to federal, state and municipal laws and regulations on environmental and water resource protection.