摘要
The karst underground water is well developed in Yangzonghai area. The environment of underground water, however, is very weak. The comprehensive assessment of Yangzonghai underground water environment is carried out with DRASTIC method. The weakness of underground water can be divided into high, middle, low 3 grades, 13 sub-areas, which are separately interpreted in order to direct the protection and prevention of underground water environment in the drainage area.