The course is designed for granduates of geological branches to learn special hydrogeological problems. According to thesis topic the interest will be focused on the following fields:Applied groundwater hydrogeochemistry.Groundwater hydraulics, tracer tests. Classification and evaluation of geohydrodynamic systems, of groundwater regime - methods of data processing. Methods of calculation of groundwater resources under different conditions of geohydrodynamic systems. Quantitative hydrogeology, groundwater age dating.Special tasks of exploration of groundwater, mineral and thermal water resources. Special methods of groundwater quality and quantity exploration, prospection and remediation of contaminated groundwater.