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How many gallons of water are used in a normal shower?

Assuming an average of 10 minutes in length.

3 Answers

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  • 1 decade ago
    Favorite Answer

    It depends on your shower head. Most shower heads use 2.5 gallons of water per minute assuming that they are newer than 1992 (when Federal law mandated the 2.5 gallon requirement). If it is pre 1992 they it could be up to 6 GPM. Assuming it is 2.5 gallons per minute:

    2.5 X 10= 25 gallons!

    Source(s): Energy Saving websites & eco nut!
  • 1 decade ago

    that depends on the shower head.... some are 1.4gpm (gallon per minute) others are different.

  • 1 decade ago

    depends just as much on length...as on the flow through the head.

    http://www.on.ec.gc.ca/reseau/waterCalculator/logi...

    give that a shot, I'd say it'd be fairly accurate

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