Subterranean water/Guarani aquifer


1.2 million km²

Almost five times the area of São Paulo state

Volume of exploitable water

40 KM³

(40 trillion liters)

Enough to supply 445 million people

*Proportion beneath the ground was enlarged to enhance visualization

Guarani aquifer

around 1 km from the surface

In São Paulo state, there's another reservoir, called Bauru aquifer, closer to the surface, witch was formed later

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