Abstract: This study paied more attention to the survey on the interfering factors about the groundwater on the basis of environmental impact assessment in the Yingshouyingzi mining area, Chengde city, Hebei province. The Nimero index method’s result displayed that the quality type of four wells in this mining area belonged to the third estate, however, the water quality was different among four wells. Through the survey of land use, domestic sewage and agricultural runoff, it founded that there were many residents and farmlands around the reserves, domestic the sewage and the agricultural fertilizer had seriously affected the quality of drinking-groundwater, which was the most important influencing factor that caused the deterioration of water environment.

Key words: Yingshouyingzi mining area, drinking water, groundwater, agricultural factor