People fill buckets from a water tanker in the Azcapotzalco neighborhood in Mexico City on January 26.
Mandatory Credit:	Henry Romero/Reuters via CNN Newsource

People fill buckets from a water tanker in the Azcapotzalco neighborhood in Mexico City on January 26.
Mandatory Credit: Henry Romero/Reuters via CNN Newsource

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One of the world’s biggest cities may be just months away from running out of water

Alejandro Gomez has been without proper running water for more than three months. Sometimes it comes on for an hour or two, but only a small trickle, barely enough to fill a couple of buckets. Then nothing for many days.