Santa Marta is a city on the Caribbean coast of Colombia, the water distribution system is operated by Metroagua S.A and has 91,4% coverage represented by 95,420 users. The natural sources of water supply are Piedras, Manzanares and Gaira Rivers and the aquifer of Santa Marta, water is transported to the two water treatment plants: Mamatoco and El Roble. It has a Non-revenue water index of 46.8% mainly due fraudulent connections. On the other hand, the water distribution network is divided into two major subsystems: Subsystem North formed by 19 sectors and Subsystem South with 6. The main problem of the city is the water shortage due the severe drought, which has led to propose solutions to short, medium and long terms.