Hydrogeological Map of Switzerland 1:100,000
The Hydrogeological Map 1:100’000 (HYGEO100) provides a regional overview of the occurrence and water flow in the subsurface. The data set serves as a planning instrument that integrates and standardizes detailed hydrogeological data of regional map series and geoportals. Examples include cantonal water-protection and groundwater maps. The HYGEO100 classifies the subsurface according to the permeability of the unconsolidated and hard rocks. The HYGEO100 is a product of the Federal Office for the Environment (FOEN) in collaboration with the Swiss Geotechnical Commission (SGTK) and swisstopo.
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