Well, 30,000 gallons of water per day is an acre-foot of water every 11 days, where as 178 gallons per person is an acre-foot every 5 years, per person. To add

Well, 30,000 gallons of water per day is an acre-foot of water every 11 days, where as 178 gallons per person is an acre-foot every 5 years, per person. To add more perspective, over 100 days that 30,000 gallons of water per day could bear eight and a half acres of corn. Most of California's crops use more water than that but that is one comparison with agriculture.