Acueducto Metropolitano de Bucaramanga S.A. E.S.P. (AMB) is a state-owned water utility serving the cities of Bucaramanga, Girón and Floridablanca in Colombia. The company provides basic sewerage and sanitation services. It also produces and distributes water, sells energy and provides technical consultation, operating, commercial, administrative and institutional services and assistance to basic sewer and sanitation system operators. AMB also acts as the certifier of all water-sector projects in Santander department that receive government funds. The utility is currently working on the Bucaramanga reservoir project, which aims to secure water supply to the cities where it operates for the next 25 years.