In the early 2000s, when I still lived in Europe, it was fairly easy to get domestic “gray water” recycling for your home (as well as solar tiles & panels, and wind turbines for your roof). Why Americans are always so hesitant to do better for the environment (ergo, for ourselves) is beyond my comprehension. In Florida, where I live now, you can see that our aquifers are depleting faster than being replenished (retention ponds draining). We regularly have incidents where waste water gets into our waterways, feeding toxic algal blooms. Injecting partially treated water beneath aquifers for drinking water is no solution either because those deeper aquifers will one day be called upon as drinking water (it’s not a big leap to understand why this would be). Fresh water is a necessity for life; Florida is more vulnerable probably than other states, and huge numbers of people move here daily ... it is not brain surgery to know that protecting and enhancing fresh water availability is critical.