is mass producible and cost effective and can be attached to existing or future water grids fig1 8 illustrate an exemplary desalination system 100 in accordance with one or more embodiments the system includes a containment enclosure 102 which is designed to hold a plurality of reverse osmosis vessels 104 that operate in parallel or in series to desalinate feed water one or more feed pipes 106 provide feed water to the reverse osmosis vessels feed water is drawn from the body of saltwater at a water intake valve 108 at the intake end of each of the one or more feed pipes the feed water is drawn from the body of saltwater at a shallower depth in the body of saltwater than the depth of the reverse osmosis vessels where the brine concentrate is discharged in one exemplary embodiment the feed water is drawn at or near the surface 110 of the body of water e g 10 15 feet below the surface and the reverse osmosis vessels are positioned at a deeper depth e g 50 100 feet below the surface the feed pipes 106 act as a salinity insulator for the input feed water saltwater near the surface of the body of water has lower.