Airline passengers may purchase and carry bottled water and other bottled beverages after clearing a Transportation Security Administration, or TSA, security checkpoint. Passengers are also allowed to carry an empty water bottle through security and fill it before boarding a commercial airplane in the United States.Continue Reading
TSA rules regarding liquids, gels and aerosols are strict. Unless medically required, containers may hold no more than 3.4 ounces of liquid, gel or aerosol. The container must be enclosed in a one-quart zip-seal bag. Medically necessary liquids must be declared at the beginning of the passenger screening process.
TSA security personnel have the final say as to whether or not water bottles or any other item is allowed on an airplane.Learn more about Geography