Distribution of water layer in Fengxian district

5 to 15m. The water layer in Fengxian district is distributed in 5 ~ 15m, which is widely distributed in Shanghai. The aquifer is characterized by fine sand mixed with clay silt, and its water output is very small. Because it is close to the ground, it is easy to be polluted by the outside world and the water quality is poor. Fengxian District, which belongs to Shanghai, is located at the southeast end of the Yangtze River Delta, in the south of Shanghai, bordering Pudong New Area in the east, Jinshan District and Songjiang District in the west, Hangzhou Bay in the south and Huangpu River in the north.