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 Chemical status of groundwater bodies
Characteristic Description
Name Chemical status of groundwater bodies by Geographic localization (NUTS - 2013) and State classification; Irregular
Regularity Annual
Source Portuguese Environment Agency
First available period 2012
Last available period 2024
Dimensions
  • Data reference period
  • Geographic localization (NUTS - 2013)
  • State classification
Concepts
  • FRESH GROUNDWATER:  Water collected at springs, mine galleries, artesian wells or bore-holes, i.e., extracted waters that may be recovered from a geological formation. All permanent and temporary deposits of water, both artificially charged and naturally, in the subsoil, of sufficient quality for at least seasonal use. This category includes phreatic water-bearing strata, as well as deep strata under pressure or not, which may be sub-aqueous. Excluded from groundwater is bank filtration (covered under surface water).
  • REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
  • CHEMICAL STATUS:  Indicator that reflects the assessment of chemicals existence which, in natural conditions, would be absent or present in reduced concentrations on a surface water body, and are likely to cause significant damage to water environment, human health, fauna and flora, due to their characteristics of persistence, toxicity and bioaccumulation.
Measure unit (symbol) Number (No.)
Power of 10  0
Observations Indicator that reflects the assessment of the existence of chemicals which, in natural conditions, would be absent or present in reduced concentrations on a surface water body, and are likely to cause significant damage to the water environment, human health, fauna and flora, due to their characteristics of persistence, toxicity and bioaccumulation.
Last update date 15/04/2025


information presented in 20/12/2025