How much water do we use? Remember that 7.48 gallons = 1 cubic foot of water
Taking a bath or shower
9 12 gallons
Watering the lawn and yard
180 gallons
Washing the dishes by machine
8 - 13 gallons
Washing clothes
35 50 gallons
Washing the car
50 gallons
Brushing your teeth
2 5 gallons
Cooking
5 10 gallons
Drinking
1/2 gallon
Flushing the toilet (once)
4 7 gallons
Leaking toilet (per day)
60 gallons
How much of the Earths water supply is
Salt water
0.001%
Fresh water
2.2%
Groundwater
0.01%
Lakes and streams
0.6%
Glaciers and icecaps
2.8%
Water vapor
97.2%
How Much:
Water runs off mountains in the form of rain or snowmelt?
..
1.2 million acre-feet per year
Water can Californias reservoirs store? .....
2 million acre-feet per year
Groundwater do we use? .....
14 million acre-feet per year
More groundwater do we use than goes back into the ground? ....
1.5 million acre-feet per year
Water demand do state officials think could be met by increased urban and agricultural conservation? ..... 1.2 million acre-feet per year
How much water does it take to produce one serving of:
Lettuce (1 cup)
3 gallons
Tomato Ketchup (1 oz)
3 gallons
White Sugar (1 tbsp)
7 gallons
Whole Wheat Bread (1 slice)
7 gallons
Tomatoes (4.3 oz)
8 gallons
White Bread (1 slice)
11 gallons
Fresh Broccoli (2.7 oz)
11 gallons
Tomato Paste (2 oz)
12 gallons
Tomato Sauce (4 oz)
13 gallons
Oranges (4.6 oz)
14 gallons
Brown Rice (1 oz)
16 gallons
White Rice (1 oz)
25 gallons
Pasta (2 oz)
36 gallons
Cantaloupe (8 oz)
40 gallons
Butter (0.36 oz)
46 gallons
Milk (8 fl. oz)
48 gallons
Orange Juice (1 cup)
49 gallons
Cheese (1 oz)
56 gallons
Tofu (1/2 cup)
61 gallons
Egg (1)
63 gallons
Almonds (1 oz)
80 gallons
Plain Yogurt (1 cup)
88 gallons
Chicken (8 oz)
330 gallons
Hamburger (4 oz)
616 gallons
Steak (8 oz)
1,232 gallons
