Hydrogeological map of the UK. BGS © UKRI – Contains OS data © Crown copyright 2020.
Hydrogeological map of the UK 625k
- 1:625 000
- UK
- Open
- Web service (OGC WMS) – Hydrology theme
Hydrogeological map at 1:625k -scale which can be used as a guide to aquifer characteristics at a regional or national level.
Key information
- Scale:
- 1:625 000
- Coverage:
- UK
- Availability:
- Open
- Price:
Free for commercial, research and public use under the Open Government Licence. Please acknowledge the material
- Format:
- GIS polygon data. (ESRI, others available by request)
- Uses:
- National-level use
- Themes:
- Environmental change, Hydrogeology
The 1:625k hydrogeological map indicates aquifer potential in generalised terms by categorising geological formations into one of seven categories:
- three categories in which intergranular flow in the saturated zone is dominant (high, moderate and low productivity)
- three categories in which flow is controlled by fractures and other discontinuities (high, moderate and low productivity) and
- rocks with essentially no groundwater
Highly productive aquifers are distinguished from those that are only of local importance or have no significant groundwater.
The 1:625k scale data may be used as a guide to the aquifers at a regional or national level, but should not be relied on for local information.
Sample of the 625K digital hydrogeological map. BGS © UKRI – Contains OS data © Crown copyright 2020.
Coverage of the 625K digital hydrogeological map. BGS © UKRI – Contains OS data © Crown copyright 2020.
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