Breadcrumb Home Journal Geosciences No. 2: Groundwater Journal Geosciences No. 2: Groundwater Share Groundwater, an invisible link in the water cycle, is the main source of drinking water in France and in many other countries. 1 September 2005 Groundwater and resource preservation Discovering the Earth Sciences Researcher Student Citizen, citizen's group Cover of Issue 2 of the Géosciences journal. © BRGM Read the journal online To find out more Buy the journal More news Press release Groundwater tables on 1 November 2025 10 November 2025 Press release BRGM Invest acquires a stake in start-up CaliCO2 6 November 2025 Magazine BRGM mag, the new BRGM magazine 5 November 2025 Video Finding out more about the subsurface and its mineral resources by analysing stream sediments 4 November 2025 All our news