A typical toilet will use four gallons of water per flush ... a water-saving toilet will use less than two. |
For a 1,500 square foot roof that you're capturing water from, in a 1 inch rain, you can capture about 700 gallons of water. |
It's better to purchase a front-loading washing machine if you're in the market for a new machine. |
Our gray water only consists of our water from our washing machine. |