Why is conserving household water usage important? Doesn’t all the water end up at a treatment plant and go back into the supply at some point? Is water actually being depleted with things like long showers? Where does it go?
For stuff that drains into a sewer, it really isn’t. That type of direct usage is like 4% of water use. Watering a lawn can add up to something significant, but otherwise humans use most of their fresh water for agriculture or industrial stuff.
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