I grew up in a house that relied solely on a 1,000 gallon tank of rainwater for our water supply. Once we ran out, that was it, and running out was a serious concern some summers, especially in drought years. (We ended up having to buy water to refill the tank on three occasions.  See full article.

  I grew up in a house that relied solely on a 1,000 gallon tank of rainwater for our water supply. Once we ran out, that was it, and running out was a serious concern some summers, especially in drought years. (We ended up having to buy water to refill the tank on three occasions.  See full article.