[AmericanOP]

Saudi Arabia had water before their stint as a wheat exporter. You can literally see them drain their country's aquifier into agribusiness:

https://www.indexmundi.com/agriculture/?country=sa&commodity...

[Tsubasachan]

Man that ground water took thousands of years to build up and they are draining it in decades. Kinda like oil lol.

[anitil]

From what I understand the the same could be said of the Californian aquifers