Salt Water Pipeline The BorderTransportationSystem is to be designed with a saltwater pipeline buried within the center tower column; this water is from both the Gulf of Mexico and the Pacific Ocean  The water is to be used for extracting salt and other minerals, and for distillation into fresh water at the point of use.  It can also be used for the creation of inland seafood hatcheries, and for swimming pools and spas.  Index of ... Fresh water use charges Gallons per Day Mineral Sales Salt Sales Salt water Corrosion Salt water use charges