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Each person uses about 80-100 gallons of water per day. In a four person household it equals out to about 300 gallons because of shared resources. 300 X 365 = 109,500 gallons per year. Source: http://ga.water.usgs.gov/edu/qahome.html 

13 years ago. Rating: 1
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300 gallons

Each person uses about 80-100 gallons of water per day. In a four person household it equals out to about 300 gallons because of shared resources.

Sources: http://ga.water.usgs.gov/edu/qahome.html

13 years ago. Rating: 1
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