How much water should you drink a day? And is the amount the same for everyone? While there are clear hydration numbers out there to strive for, doctors and nutritionists say the right amount of ...

One of the more well-known trends is the #gallonofwateraday encouraging participants to drink one gallon, or 4.5 liters, of water per day. But how much water do we actually need to drink daily?

The Safe Drinking Water Act is a federal law that sets quality standards for the systems that provide Americans with drinking water. The Environmental Protection Agency uses a weighted point ...