And you'd think that with the drought we're experiencing in Texas, that thing would be empty—but the owners said that one good rain (two inches) filled it about three quarters of the way. Can you imagine collecting 1,500 gallons of water from your roof from one night of good rain? With the right planning, it's absolutely possible.
We have yet to do the cost analysis, but since we have the space this is seriously something we'd consider. What about you? Obviously this isn't an option for smaller lots, but there are all sorts of creative ways to squeeze in a 1,000-gallon tank... Learn more at WaterCache.
Have you seen any large rain tanks in your neighborhood?
(Images: Innovative Water Solutions, used with permission.)