Sure! The recommended water intake for men and women is a bit lower than 1 gallon per day, so rest assured that your body will probably thank you for hydrating it with one gallon of water (or more). Drinking this amount each day can help regulate your energy levels and improve your skin, among other benefits. However, it’s important to point out that there is such a thing as “too much water.” Drinking more than 3 liters (100 ounces) per day can cause hyponatremia or water intoxication — meaning that your kidneys won’t be able to get rid of the excess water.