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Water Usage Calculator
Use this helpful tool to calculate your household's water use.
How many people in your household?
Indoor Water Use
How many showers are taken each day in your household?
What is the average length (in minutes) of each shower (5.3 is the national average)?
5.3 if you are unsure
What is the flow rate (gallons per minute) of your showerhead?
5 for standard showerhead; 2.5 for low flow
Total number of baths taken each week by members of your household.
Average number of times each person flushes a toilet in your house per day.
4 if you are unsure.
How many gallons does your toilet use per flush?
5 if you have a standard toilet; 1.6 if you have a low volume toilet; 1.28 for a high efficiency toilet.
How many times each day does each household member use faucets to shave, brush teeth, wash hands and face?
How many minutes does the water run during each use?
Do you have a faucet aerator?
How many times are dishes washed by hand each day?
How many minutes does the water run during each wash?
Do you have a dishwasher?
15 if you have Non-Efficient dishwasher; 5 if you have High Efficiency Dishwasher
If you have a dishwasher, how many times is it used each week?
How many loads of laundry are done by members of your household each week.
How much water does your washing machine use per load?
33 if non-conserving washer; 15 water conserving washer
Outdoor Water Use
Do you have a pool and/or a spa?
What is the capacity of your swimming pool, in gallons?
If you're not sure of pool's capacity, enter the following:
On Average, how many times a year do you refill your pool?
What is the capacity of your spa, in gallons?
On Average, how many times a year do you refill your spa?
Lawn Watering & Other Uses
How many times is your lawn watered each week?
How many minutes is the lawn watered per watering?
How many times a month do you wash your car at Home?
City of Glendale, California