The Saudi Water Partnership Company (SWPC) has announced the financial close of the Al-Haer Independent Sewage Treatment Plant (ISTP) project in Riyadh, with a project cost of around SAR 1.8 billion (US$ 479 million). 

The project will be developed by the private sector through a consortium comprising Miahona Company, BESIX Company, and Marafiq Company. The plant will have a treatment capacity of 200,000 cubic meters per day, complemented by a 32 km integrated treated sewage transmission system capable of transporting up to 400,000 cubic meters daily. Additionally, a pumping station and storage tanks with a capacity of 200,000 cubic meters will be constructed to enhance the efficient and sustainable utilization of treated sewage across various sectors. The commercial operation of the project will commence in Q4 of 2026, with the agreement spanning 25 years to guarantee sustained service delivery and effectiveness.