The underground water pollution is the phenomenon that underground water quality worsens by human factor. The reasons of the underground water pollution are: The industrial sewage is discharged to the underground directly, the surface water polluted invades to the underground water-bearing stratum and so on. The result of pollution is to make to contain the composition of hurting in the groundwater. The groundwater of pollution all endanger health and industrial or agricultural production. Must take measures, strengthen environmental protection, do a good job of treatment of 'three wastes', protect the groundwater resources.
