Analysis of the Ground Water Pollution Potential in Kinmen
In a modernized and developed district, ground water is easily impacted by human and natural activities, such as improper discharge of wastewater and improper disposal of solid wastes. It is also difficult to uncover the contamination of ground water unless the quality of water extracted from wells shows significant changes in physical properties. Furthermore, once ground water is contaminated, it is difficult to detect the source of contamination and, consequently, conduct a successful remediation in most cases. In Kim-man district, the rate of ground water usage is very high due to the congenital lack of water resource. The quantity of water for domestic purpose is above forty-five percents of total public water supply. Therefore, it is important for the government agencies to keep track of the ground water quality. This research collects hydrologic and geologic data of Kim-man district. By using the `DRASTIC` model established by United States Environmental Protection Agency (USEPA) in association with American Well Association, the contamination potential index of ground water in Kim-man is established. The results could be used as a basis for establishing a ground water monitoring program. Fifteen locations with highest DRASTIC score are selected as sites for install the ground water monitoring wells. In addition, risk assessment by incorporating additional information on the land development plan could also be performed in the future.