Water Balance
Overall, only 18% of water resources in Mexico are withdrawn for consumptive use. However, there is water stress in several regions of the country. The highest pressure on water resources is encountered around Mexico City (120% of resources), in Baja California (86% of resources) and in Sonora in the Northeast (79% of resources).
CNA has defined 653 "aquifers" out of which 104 were categorized as overexploited in 2005. Total groundwater use was 27.5 BCM/year, while recharge is estimated at 77BCM/year. Out of the country's 13 administrative hydrological regions, in 4 regions abstraction exceeds recharge: Baja California, Northeast, North-Center and the Mexico Valley.
Read more about this topic: Water Resources In Mexico
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