Questionnaire: How Much Water Do You Use at Home?
How much water do you use when you take a shower? Wash a load of clothes? Flush a toilet? Even brush your teeth? One important measurement of water use is how much water one person uses in one day, or per-capita water use (per is Latin for by and capita is Latin for head). The number is usually expressed as gallons of water used per person per day. Users can fill in this interactive form about their home water-use activities. An estimate of how much water is used, on a per capita basis, will be calculated.
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U.S. Geological Survey