With the expansion of Ningdong Energy and Chemical Industry Base at Lingwu, Ningxia, water shortage is becoming increasingly serious and then has become one of the main factors in restricting the development of society and economy in the region. In the paper, through a systematic analysis of the re-use ways of the sewage as well as the water-saving potential for agricultural purposes, it is suggested that water right trading is the solution when part of the surplus can be used for industrial purposes in the Base, thereby leading to a more reliable way of sustainable water supply and a sustainable and steady economic growth in the region.

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