With rapid economic and social development in recent years, the security and safety of water supply has been increasingly becoming a severe problem in Dongguan, Guangdong Province Large-scale salt water intrusion in the low flow season of 2004-2005 influenced the water intakes along the rivers, resulting in excessive salinity in several water plants and even water supply failures in Dongguan City It has had negative effects on the living conditions of the local people and the secondary and tertiary industry of the City In this paper, characteristics of the local water resources and those from the upstream region are analysed to identify and discuss major problems in the development, utilization, conservation and protection of water resources Measures for development in water sources area, building of a water-saving society and pollution control are proposed with the aim of placing socio-economic development in Dongguan on a sustainable track.
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