Metadata

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 Safe water (%)
Characteristic Description
Name Safe water (%) by Geographic localization (NUTS - 2013); Annual
Regularity Annual
Source Services Regulatory Authority for Water and Waste
First available period 2014
Last available period 2017
Dimensions
  • Data reference period
  • Geographic localization (NUTS - 2013)
Concepts
  • REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
Definition a
Formule Safe water -- corresponds to the percentage of water controlled and with good quality. It is calculated by the product of the compliance rate frequency sampling and the percentage of compliance with the parametric values of the parameters set by law subject, as defined in Annex II of Decree Law n.º 306/2007 of 27 August.
Percentage of analyzes performed = [1-(Number of analyzes missing)/ (Number of mandatory analyzes by regulation)]*100
Percentage of analyzes in compliance with parametric values = [(Number of analyzes in compliance with parametric values)/ (Number of analyzes performed with parametric values)]*100
Measure unit (symbol) Percentage (%)
Power of 10  0
Observations
Last update date 28/11/2018


information presented in 22/10/2019