Groundwater – zones, base flow and vulnerability

This map server application displays the hydrogeological zones of the Czech Republic territory as defined in 2005 at a scale of 1 : 50,000. It contains 3 layers: upper layer, basal cretaceous collector, base layer. Raster hydrogeological maps at a scale of 1: 50,000 (HG50) and 1: 200,000 are also available in the application.