The Basin of Mexico, where the Mexico City Metropolitan Zone (MCMZ) and its 20 million inhabitants are located, has had a two-sided approach towards water management, as it has struggled to drain the lakes that once covered this region while at the same time it started to transport in water from adjacent basins in the 1950s for water supply. In addition, the large amount of water extracted from the Basins aquifer have caused drawdown of the groundwater table and consequently, land subsidence which reaches 40 cm/yr in some areas. This work firts analyzes the existing water management policies...