폴란드
Polish Geological Institute - National Research Institute - Hydrogeological Map of Poland in 1:50 000
,The hydrogeological map of Poland in 1:50 000 is a database that presents the conditions of occurrence of groundwaters of the main aquifer/level, its qualitative and quantitative characteristics and threats to groundwater. The map includes the following sections: aquifer, groundwater zoning, hydrodynamics, groundwater quality, groundwater threat and documentation data. It provides clear information on ordinary groundwater necessary for decision-making at the level of local governments, regional administration and for programming hydrogeological research and activities involving spatial development.,