Agreement Signed to Establish RO 55 Million Water Purification Plant in Wadi Dayqah Dam Muscat, 23 Mar (ONA) --- Nama Water Services today signed an agreement in partnership with the private sector to construct a water purification plant at Wadi Dayqah Dam in the Wilayat of Qurayyat. The project, coordinated with relevant government bodies, is valued at over RO 55 million. The agreement was mutually signed by Qais Saud Al Zakwani, CEO of Nama Water Services, and Sultan ...