The Companhia Espírito Santense de Saneamento (CESAN) , is a water supply and sanitation company in the Brazilian state of Espírito Santo .It is a Joint-stock company, under private law as a corporation, It has a main objective tO continuously improve the quality of life of the population of Espírito Santo. The Company's aim is to capture, treat and distribute water, as well as collect and treat sanitary sewers. Its main activities, are conducting studies on projects, execution of new installations and expansion of networks, maintenance and commercialization of services related to solid waste and the environment.