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Published on 13 February 2025

Maps and InfoTracer Service

The FOEN provides maps and geodata on groundwater resources throughout Switzerland as well as a compilation of cantonal water protection maps. The InfoTracer service coordinates and archives tracer tests in groundwater and surface water in Switzerland.

Cantonal water protection maps

Geoportals of the cantons

Groundwater maps

The FOEN provides standardised geodata on groundwater in Switzerland on a superordinate scale.

InfoTracer: Central coordination service for tracer tests

InfoTracer is the FOEN tool to coordinate, centralise and archive information on tracer tests performed in Swiss groundwater and surface water.