Use a water calculator
By Al Grumet, Green Change
You can learn a lot about your household’s water use by using a water calculator. This simple, online tool prompts you to answer questions about your use of water in the following three categories:
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Indoors: water that is used in bathrooms, kitchen, and laundry
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Outdoors: water that is used for lawns and gardens, washing your car, filling a pool
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“Virtual”: water that is used in the production of your food, electricity, gas, and home goods