Irrigation systems use 12-16 gallons per minute, per station.
Hose output is 6 gallons per minute.
Adding .5 inches of water to a 22,000 gallon pool each week equals 640 gallons per month.
Note: These calculators are for approximate numbers only. Your actual water usage will vary depending up the type of systems you use and the water pressure at your location. Other factors such as leaks, faulty equipment or yard size will also impact your actual water usage.