Before using the washing machine, check to see that you have enough dirty clothes for a full wash. Washing machines use 30 to 50 gallons per wash. Avoid running the tap for a cold drink. Chill a full pitcher of water and keep it in the refrigerator. Water the lawn sparingly.
Studies show that a majority of lawns are over watered.
Sprinkle for same period of time but less often. Don't scalp your grass by cutting it too short. The roots will lose their shade and need more water. When mowing the lawn, leave cuttings on the lawn. This keeps the lawn from drying out.