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