|
Non-Conserving
|
Conserving Activities
|
Shower
(5 minutes)
|
Regular shower head
30 gallons
|
Low-flow shower head
15 gallons
|
Toilet Flushing
|
Conventional toilet
4-7 gallons per flush
|
Ultra-low flush toilet
1.5 gallons
|
Brushing Teeth
|
Tap running
10 gallons
|
Wet brush, rinse briefly
Half gallon or less
|
Tub Bath
|
Full
20 gallons
|
Minimal water level
Less than 20 gallons
|
Shaving
|
Tap running
2 gallons or more
|
Fill basin
1 gallon
|
Washing Hands
|
Tap running
2 gallons or more
|
Soap and rinse
1 gallon or less
|
Dishwashing
|
Tap running
30 gallons
|
Wash and rinse in sink
5 gallons
|
Automatic
Dishwasher
|
Full cycle
15 gallons
|
Short cycle
11 gallons
|
Washing Machine
|
Full cycle, top water
level
40 gallons
|
New "tumble-action" efficient clothes washer
25 gallons
|
Inside Use
|
Gallons per Day
|
Bathing
|
80
|
Bathroom Sink
|
8
|
Cooking and Drinking
|
12
|
Dishwashing
|
15
|
Laundry
|
35
|
Toilets
|
100
|
Utility Sink
|
5
|
Total Family Use
|
255*
|
* Equals 63.75 gallons per day per person
|
|
Fixture
|
Water Usage Needs
|
Bathtub
|
25 to 35 gallons per tub
|
Clothes Washer
|
25 to 50 gallons per load
|
Dishwasher
|
7.5 to 16 gallons per load
|
Shower
|
5 to 15 gallons per minute
|
Toilet
|
Old - 3.5 to 7 gallons per flush
|
Toilet
|
New - 1.5 gallons per flush
|
Outside Need
|
Annual Water Usage Needs
|
Lawn
|
2.35 c.f. per square foot
|
Other Landscaping
|
1.0 c.f. per square foot
|
Swimming Pool (evaporation)*
|
2.35 c.f. per sq ft of surface area
|
*Without pool cover, 1 c.f. =
|
one cubic foot or 7.48 gallons
|