Taking Account for Your Water Usage

Task Normal Gallons per Day per Event
Typical Four-Person Family Residential (Gallons)
Typical Three-Person Family Residential (Gallons)
Typical Two-Person Family Residential (Gallons)
Washing face and hands
1
 240
 180
 120
Brushing teeth with water on
2
 240
 120
 120
Brushing teeth with water off
0.25
 60
 60
 30
Flushing toilet (standard flow toilet)
5
 900
 450
 450
Flushing toilet (low flow toilet)
1.5
 270
 270
 N/A
Shaving
2
 60
 60
 20
Running dishwasher
15
 190
 145
 100
Washing dishes by hand
10
 N/A
 N/A
 N/A
Cooking / drinking
3
 80
 60
 40
Taking a bath
40
 2,400
 1,800
 1,200
Taking a shower (standard flow head)
50 (5 minutes)
 1,500
 750
 750
Taking a shower (low flow head)
25 (5 minutes)
 750
 375
 N/A
Doing a load of laundry
30
 520
 390
 260
Washing car
50
 300
 300
 200
Totals
N/A
 7,510
 4,960
 3,290