What is the average daily human consumption of water?
According to "Water on Tap" (EPA815K-97-002), the average water use is 100 gallons per person per day. Of this total, the following usages are noted: bathing - 20 gpcd (gallons per capita per day), toilet flushing - 24 gpcd, drinking and cooking - 2 gpcd, garbage disposal - 1 gpcd, dishwasher - 4 gpcd, car wash - 2.5 gpcd, laundry - 8.5 gpcd, lawn watering and swimming pools - 25 gpcd. Additional information is available at http://water.epa.gov/drink/guide/index.cfm.
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