Therefore, a typical four-person household uses approximately 8,000 gallons of water per month. This excludes any outside watering which may occur. If you have resided at your current address for at least one year, you can look at your past history on your bill to determine what your useage was for the same period during the previous year. If your bill is higher than normal, there could be several reasons. For instance, you could have a leak , or your household may use the washing machine or dishwasher more than typical.
Every meter is read every month.