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nayhem_jr t1_j6h1e5x wrote

Reply to comment by PD_31 in Eli5....can you dig a well anywhere and hit water...and how did the early ranchers in the West know where to dig for water. Especially in the really dry areas? by pinkshrinkrn

… and how much was already removed by humans

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what_tha_blank t1_j6iibqq wrote

It’s not finite, it gets put back through the water cycle.

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nayhem_jr t1_j6jh4gz wrote

Yes, closer to a geologic timescale. Some of the groundwater we’ve extracted won’t be returning in our lifetime, especially where compaction is a factor.

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