Water desalination systems play a critical role in addressing freshwater scarcity by harnessing advanced technologies to extract salt and impurities from seawater or brackish water. Desalination methods primarily include reverse osmosis and distillation processes, where high-pressure membranes or heat energy are utilized to separate salt and minerals from the water, producing potable freshwater. While desalination offers a viable solution to augmenting water supplies, it comes with energy and environmental considerations. The process demands a significant amount of energy, and the disposal of concentrated brine byproducts requires careful management to minimize ecological impact. As technology advances, the efficiency and sustainability of water desalination systems continue to improve, contributing to the global effort to ensure a more reliable and diversified water supply.