Largest reverse osmosis water desalination plant

The largest reverse osmosis water desalination plant is 670,852.4 cubic meter(s) per day and was achieved by Saudi Water Authority (KSA) in AlKhobar, Saudi Arabia on 25 February 2025.

Saudi Arabia’s Saudi Water Authority (SWA) pursued this record to reaffirm its global leadership in water sustainability and technological innovation. With the Kingdom facing increasing water demand and limited renewable water resources, this achievement reflects a strategic commitment to ensuring long-term water security. Breaking this record not only symbolizes national pride but also demonstrates the country’s capability in deploying large-scale infrastructure while optimizing energy efficiency and environmental impact in line with Vision 2030.

The Al Khobar RO2 plant was developed on Saudi Arabia’s east coast as a strategic project. Extensive engineering, testing, and quality assurance were conducted to ensure the plant met the highest standards of capacity, efficiency, and reliability.