珠江三角洲的防洪问题主要是西、北江三角洲的防洪问题。西、北江三角洲包括西江三榕峡和北江飞来峡以下的18个县市,其中有广州、佛山、江门、珠海、肇庆、中山等6个市和高要、四会、三水、南海、高明、鹤山、新会、顺德、番禺、清远、从化、花县等12县。有523万亩农田和680万人口受西、北江洪水的威胁。 Flood control in the Pearl River Delta is mainly the flood control issue in the western and northern rivers. The Beijiang Delta includes 18 counties and cities under the Three Gorges Xijiang and Feijia Gorge Beijets, including 6 cities of Guangzhou, Foshan, Jiangmen, Zhuhai, Zhaoqing and Zhongshan, and the cities of Gaoyao, Sihui, Sanshui, Nanhai, Gaoming, Heshan, Xinhui, Shunde, Panyu, Qingyuan, Conghua, Huaxian 12 counties. There are 5.23 million mu of farmland and 6.8 million people are threatened by the floods of the West and North Rivers.