Underground water problems is frequently encountered especially at the metallic mines. In order to prevent from that, before the mining begins, drillings must be conducted and the information of underground water have to be acquired. In the light of those information, observation well design should be done and after that production wells must be drilled. Aquifer parameters that required for hydrogeological studies obtained from drillings, also dewatering, acid mine drainage and water providing studies conducting at this content.