The Hydrogeological Map of Switzerland at 1:500,000 scale consists of two sheets. The first sheet shows the various groundwater resources in Switzerland and provides information about productivity. The second sheet shows the vulnerability of groundwater resources to possible contamination.

Dataset contains hydrogeological zones with attached basic informations to the extent given to edict of Ministry of Agriculture Decree no.391/2004 Coll., i.e. information about zone name, numerical identifier, river basin managers and territorial identification, additional data on natural characteristics. The basic natural characteristics of zone include geological unit, group of zones, lithology, stratigraphy of Cretaceous group of zones, type of Quarternary sediment in laden layer of zones, type of aquifer-saturation, the character of the collector, the average power of the collector, the character of the groundwater level, the type of permeability, the predominant mineralization of groundwater and predominant chemical type of groundwater.

ArcGIS Server Service gives access to key information about drilling and objects registered in the descriptive database of geological objects.

ASGI - Automated System of Geological Information application allows unified access and parametric search of reports and opinions saved in all CGS archives. It’s primarily documentation of Geofond department archive under the Act of geological projects and expert outputs from organization since it’s foundation. Besides detail information about reports allows thumbnail of digitized documents. Some documents from another geological organizations archives are also available.