How Much Water Do You Use?

Average comparisons of normal vs. efficient water use

Bathroom


Activity Frequency Circumstances Water Used Total / Day
Toilet 5 Flushes / Day
  • High-Efficiency (HET)
  • Standard (after 1992)
  • Water-wasting
1.28 gpf*
1.6 gpf
3.5 - 7 gpf
6.4 gal.
8 gal.
17.5 - 35 gal.
Shower Once / Day for
5 minutes
  • Low-Flow
  • Conventional
2 gpm**
2.5 - 8 gpm**
10 gal.
12.5 - 40 gal.
Bath Once / Day
  • Tub 1/4 to 1/3 Full
  • Full Tub
9 - 12 gal
36 gal
9 - 12 gal.
36 gal.
Shaving Once / Day for
3 minutes
  • Full Sink
  • Open Tap
1 gal
2.2 - 5 gpm**
1 gal.
6.6 - 15 gal.
Brushing Teeth Twice / Day
1 minute each
  • Brush and Rinse
  • Open Tap
1.28 gpf*
2.2 gpm**
1/2 - 1 gal.
4.4 - 10 gal.
Washing Hands Twice / Day
1 minute each
  • Efficient Aerator
  • Standard
  • Older water-wasting
1 gpm**
2.2 gpm**
3 - 5 gpm**
2 gal.
4.4 gal.
10 gal.

Kitchen


Activity Frequency Circumstances Water Used Total / Day
Cooking Washing
Produce
for 3 minutes
  • In A Pot
  • Open Tap
1 - 2 gal.
2.2 - 5 gpm**
1-2 gal.
6.6 - 15 gal.
Automatic Dishwasher
  • Efficient
  • Standard
7 gal per load
7 - 14 gal. per load

Manual Dishwashing
  • Full Sink Wash/Rinse
  • Open Tap
9 gal.
30 gal.
.
Laundry
  • Efficient
  • Standard
15 - 25 gal. per load
40 - 50 gal. per load


Outdoors
Activity Frequency Circumstances Water Used
Lawn Trees & Shrubs Watering varies Watering requirements vary with plant species, type of turf, season, region and soil type. Consult your local nursery. Watering your landscape can take thousands of gallons of water a week.
Car Wash One
  • Full 2-gal Bucket
  • Hose w/Shutoff Nozzle
  • Hose w/out Shutoff Nozzle.
2 gal.
25 - 50 gal
10 - 12 gpm**

*gpf: gallons per flush
** gpm: gallons per minute
1 Real cooking figure will be higher to include boiling water, rinsing utensils and other uses.
2 Laundry figure is based on two full loads per person per week.
Numbers are based on approximate, average household use. Water use will vary with individual habits and lifestyles, differing water pressure and the age and model of appliances