OK well the idea here is reuse your waste water from your RO units. To say that it's better to waste the water since it has potential to help out sewage issues is somewhat ridiculous in my mind. If this were the case, then for the same reasons we shouldn't bother to fix leaking faucets and running toilets. The average household wastes more than enough water to help with those issues already, and if a problem did exist with water treatment I don't think the solution would involve wasting more water.
Saving water is a good idea, and really this is something everyone should be interested in regardless if water is cheap or not. From a green point of view it's as simple as reducing your consumption, that's it. It doesn't involve politics and I see little relevance between the two. Yes power companies promote energy saving for other reasons than to save you money but so what? That doesn't mean you should leave the lights on 24/7, it's a simple system that both parties benefit from, you save money and the power company makes more money. Is it perfect? Absolutely not but it doesn't mean we should be wasteful.
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