Sabesp is a mixed-capital company responsible for providing water and sewage service in 366 municipalities of the State of Sao Paulo, and it´s considered one of the largest water and sewage service provider companies in the world based on the number of customers.

Populations of 28.8 million people are directly and indirectly supplied with water and 23.2 million people have sewage collection.

The company, in partnership with private companies, also operates in other four municipalities: Mogi-Mirim, Castilho, Andradina and Mairinque; it also provides consulting services in Panama, Honduras, and Nicaragua, being in the first two Countries in partnership with Latin Counsult.

In addition to the basic sanitation services, Sabesp is enabled to operate in other markets, such as drainage, urban cleaning and solid waste management services and energy.

In order to offer quality services the company keeps a giant structure and, in the last five years, it invested around R$ 14.4 billion and it plans to do so, from 2016 through 2020, around R$ 12.5 billion to go forward in fulfilling its commitment with sustainable and responsible universalization of water and sewage services in its region of operation until 2020.

In 2002, the Company joined the Novo Mercado of the BM&FBOVESPA, which is the listing segment in Brazil with the highest corporate governance requirements. In the same year, we registered our common shares with the Securities and Exchange Commission, or SEC, and started trading our shares in the form of American Depositary Receipts – Level III (“ADRs”) on the New York Stock Exchange, or NYSE under the symbol “SBS”.


“To provide sanitation services, helping to improve the quality of life and the environment.”


“To be a global benchmark in the provision of sanitation services in a sustainable, competitive and innovative manner, focused on clients.”

Water treatment

The Water treatment plants (WTP) Sabesp operate as true factories to produce potable water. Of the 214 stations: 28 supply the Metropolitan Region of São Paulo, and the other 186 provide water to the municipalities of the interior and coast of the State.

Currently, 111 thousand liters of water are treated per second. It is a very expressive number, but it can still increase. Extension projects and improvements in supply systems are in progress.


Rio Grande – It is an arm of the Billings Dam. It produces 5 thousand liters of water per second and supplies 1.5 million people in Diadema, São Bernardo do Campo and part of Santo André.

The installation of ultrafiltration membranes is a state-of-the-art technology already used in countries such as the United States, Israel and Singapore, was implemented by Sabesp in WTP RIO GRANDE. The Rio Grande produces 500 liters of potable water per second.