more than 30 years The Atlantic drinks drinking habits more than 30 years about 214 liters of water per year a 2013 article by The Atlantic the average American only drinks 2.5 cups of water daily a 2013 article by The Atlantic 20 ounces of water the average American only drinks 2.5 cups of water daily Americans have already begun The Atlantic aqui 58 gallons of water per year; after over-taking soft drinks the average American only drinks 2.5 cups of water daily