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?
Not always. If the supply is an underground aquifer, for example, then sewage water doesn’t go back there. It goes into some river usually, from where it can evaporate or get to the ocean, so it can’t always be reused.
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