HOW STUFF WORKS
QUIZZES

How well do you conserve water?
by Staff
We all know it's important to conserve water. But how much of a difference can you make on the environment and your water bill by conserving water? If you flow through our quiz with ease, you may be well on your way to being a water-conservation guru.

### How much water does a typical toilet use per flush?

• 1.6 gallons (6.1 liters)
• 3.4 gallons (13 liters)
• 1.3 gallons (4.9 liters)

• 25 percent
• 0.04 percent
• 1 percent

### How much water does it take to irrigate one acre (4,047 square meters) of corn?

• 9,000 gallons (34,000 liters) per month
• 9,000 gallons (34,000 liters) per week
• 9,000 gallons (34,000 liters) per day

### How much water is locked in the polar ice caps?

• 7 million cubic miles (29.2 cubic kilometers)
• 1 million cubic feet (0.3 million cubic meters)
• 4 billion gallons (16 billion liters)

### Which is more efficient: drip or sprinkler irrigation?

• sprinkler
• drip irrigation hose
• The two are equally efficient.

### When is the best time to water the lawn?

• in the midafternoon
• Plants absorb water at a steady rate, so it doesn't matter.
• in the morning

### How much water does a grassy lawn consume?

• 3,500 gallons (13,248 liters) a day
• 3,500 gallons (13,248 liters) a week
• 3,500 gallons (13,248 liters) a month

• 1950
• 1936
• 1941

### What is a major drawback of rain barrels?

• They look funny.
• They collect water that would otherwise go into the sewer.
• If not sealed, they can provide breeding grounds for mosquitoes.

### Does a raised-bed garden use less water than a traditional row garden?

• yes
• no
• Potted container gardens use less than either type.

### Can your plant choice save gardening water?

• Garden water use depends more on the soil than on the plants.
• Garden water use can be grealty affected by plant choices.
• Most plants consume about the same amount of water, so it really doesn't make a difference.

### Does a shower use more water than a bath?

• yes
• no
• It depends on the length of the shower.

### What is grey water?

• water on its way to the sewer
• water that can be filtered and cooked with
• water that's too dirty to drink, but clean enough to use for other tasks

### What appliance uses the most water in the house?

• toilet
• dishwasher
• washing machine

### Which uses the most water?

• washing dishes in the dishwasher
• washing dishes by hand
• It all depends on how many people live in the house.

• Denmark
• Afghanistan
• Egypt

### How much water does a dripping faucet waste?

• 20 gallons per day
• It depends on the severity of the leak.
• 20 gallons per hour

### How much water can a running toilet waste?

• It depends on the severity of the leak.
• 15 gallons (35 liters) a day
• 100 gallons (300 liters) a day

### What should you check first if your toilet runs?

• the connection to the water line
• the main valve
• the flush actuator chain

### To fix a dripping faucet, which of these should you try first?

• Check and replace the gaskets.
• Check for corrosion in the lines.
• Check for a bent actuator lever.
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