Put several drops of food coloring in the tank behind your toilet bowl. If you see colored water seeping into the bowl, there’s a leak. Fixing it can save about 600 gallons each month.
Scrape and rinse plates before putting them in the dishwater.
Only run the dishwasher or clothes washer when full.
Water lawns in the coolest part of the day, so it doesn’t evaporate before soaking in the ground.
Check your irrigation system to make sure you aren’t watering the driveway or street.