SAWACO invests heavily in its plants' water infrastructure capacity. SAWACO believes in reinforced concrete tanks that are internally coated with food grade epoxy. This solution, though expensive, was adopted to ensure maximum security of the water stored and ideal condition to preserve and maintain WHO requirements for potable water. Proper sanitation is applied, implemented and strictly supervised by the quality control department to adhere and conform to world standards such as WHO, SASO, FDA etc... Regular water analysis and testing such as daily, weekly, physical, chemical and bacteriological testing are conducted to ensure the best quality of water is being produced by SAWACO. SAWACO is among the few water utilities in KSA to adopt Post-Tensioned reinforced concrete water tanks. These concrete reinforced tanks were chosen to avoid ions exchange between water and the tank.