According to my metered water bill we used 5000 gallons for the last 60 days. That's 83.33 gallons per day for 2 of us, or @42 gallons per person. Wife has a sizeable garden, which my wife waters when needed, but we don't water the lawn. Been getting "normal" rainfall in Northern Illinois. Just a "fact," though I can't swear by the accuracy of the billing. Maybe 25% of that water is from flushing the toilet.