Laundry

Once

Front-load washer

13 – 20 gallons/load

13 – 20

Conventional top-loader

35 – 50 gallons/load

35 – 50

Car washing

Once

Five full two-gallon buckets

10 gallons/wash

10

Hose for 5 minutes

5/8-inch hose

32

Lawn watering

During hot dry spells, Kentucky bluegrass needs ¾ of an inch of water twice a week, turf-type tall fescue needs ½ to ¾ of an inch of water twice a week, and buffalo grass needs ½ to ¾ of an inch every other week.