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submitted 11 months ago by Pips@lemmy.film to c/news@lemmy.world
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[-] RGB3x3@lemmy.world 3 points 11 months ago

Can someone ELI5 where the water actually goes when it's used? It evaporates and goes somewhere else, right? So the drier one place gets, the more wet a different place needs to get because the earth is a closed system.

So where does water from the US go when it's used and/or evaporated?

[-] Angry_Badger@lemmynsfw.com 7 points 11 months ago

I work in the water industry, not specifically in water resources but hey. The issue we have is the rate at which we're abstracting water from ground sources. In UK, the statistic I often hear is that it takes around 300 years for rain to soak down and join the water table.

300 years ago, the only below ground abstraction would have been people pulling buckets out of wells. Also it wasn't like everyone had a well but their house either. Now we abstract millions of litres from a single borehole everyday.

To answer your question about where it goes, most waste water is released into the oceans. So we're taking clean fresh water that on some cases has been moving down through the earth for thousands of years and discharging it into the oceans.

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this post was submitted on 29 Aug 2023
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