![]() Map-based browser allowing access to index level data (water wells in the boreholes theme). The new 1:625 000 hydrogeological map of the UK is now available through our OpenGeoscience portal. Maps published by BGS are available for purchase through the BGS Bookshop.īrowse online scans of our printed hydrogeological maps. The original paper hydrogeology maps have been scanned at high resolution and are available through the hydrogeology map scans page.īGS hydrogeologists are currently revising attributions of BGS Geology 50k geological data at 1:50 000 scale on completion these maps will be made available to licensed users through the BGS website. The original national hydrogeological maps of the UK have been revised using an updated geological base map and are now available in digital form as the 1:625 000 hydrogeology map of the UK. The BGS also hold a limited collection of international hydrogeological maps from all parts of the world. They range in scale from 1:625 000 for the national maps of the hydrogeology of England & Wales, and Scotland down to 1:25 000 for some smaller regional maps. ![]() The resulting 23 maps display information on surface water features, the 3D geometry of aquifers, groundwater levels, abstractions and water quality including saline intrusion in varying amounts of detail. Throughout the 1970s and 1980s the major aquifers in the UK were systematically mapped by BGS using data from the National Well Record Archive and overlaying the resulting interpretations of hydrogeological conditions on base maps derived from our geological mapping. Hydrogeological maps bring basic geological information together with data on the hydraulic and hydrochemical characteristics of the rocks and their usefulness for groundwater supply.
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