Planet H2O
Name: _______________________________        Date: _______________________________

H2O Diary: How Much Water Do You Use?

Hypothesis: How many gallons of water does the average person use per day?

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Direction: This survey is to be conducted truthfully over the course of one week. Put a tally mark in the Times Per Day column very time someone living in your home does the activity.

Weekly Water Use Survey

Activity Times Per Day Weekly Total Estimated Amount of Water Used (in gallons) Total Weekly Water Used

Sun Mon Tues Wed Thurs Fri Sat


Toilet Flushing







* 5
Short Shower (5-10 minutes)







* 25
Long Shower (>10 minutes)







* 35
Tub Bath







* 35
Brushing Teeth (running water)







* 2
Brushing Teeth (water turned off)







* 0.25
Shaving







* 2
Washing Dishes (running water)







* 30
Washing Dishes (Filling a basin)







* 10
Running a Dishwasher







* 20
Washing Clothes







* 35
Watering Lawn







* 300
Washing Car







* 50
Total Weekly Water Use (gallons) =

Average Daily Water Use (gallons) /7 =

Average Individual Daily Water Use (gallons) / by number of people living at home =

Thirteen/WNET New York
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