Underground Water Masses, the result of the integration of the information provided by 25 of the 25 Hydrographic Demarcations, in response to Article 13 of the Water Framework Directive. Includes the 7 Demarcations of the Canary Islands. It corresponds to the second cycle Hydrological Plans that were officially approved in January 2016 and incorporates the successive modifications and additions that have undergone until November 2019. Include the following data for each mass: code, name, Hydrographic Demarcation, geological horizons, area (measured in Lambert Acimutal Equivalent Area projection), mass status data, number of pressures of each class, number of impact types, and whether there are protected areas of different mass-related classes.
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