On this page you will find main metadata related with the indicator you have selected.
Other metadata is also available, on the Metada System website, through next button Metadata System


 Proportion of dwellings served by wastewater drainage (%)
Characteristic Description
Name Proportion of dwellings served by wastewater drainage (%) by Geographic localization (NUTS - 2013); Annual
Regularity Annual
Source Statistics Portugal, ERSAR, ERSARA, DREM, Urban public systems of water services / physical and operational components
First available period 2011
Last available period 2019
  • Data reference period
  • Geographic localization (NUTS - 2013)
  • WASTEWATER DISPOSAL:  A system comprised of equipments and installations for the collection of sewage and its transport and sometimes treatment in appropriate facilities, so that its release into the receiving environment (water or soil) does not change the environmental conditions beyond the values established as admissible in local standards and according respective national legislation. Thus, as a whole, a wastewater disposal system is mainly composed of the following: collection network, lifting station, interceptor, treatment plant and discharger.
  • REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
  • URBAN PUBLIC SYSTEMS OF WATER SERVICES:  Water supply and/or wastewater sanitation systems intended to serve population, normally installed on public roads or areas, on lands of the associated management entity or of others, which use is of public interest.
Formule Total number of dwellings served by wastewater sewerage/ Total number of conventional dwellings
Measure unit (symbol) Percentage (%)
Power of 10  0
Last update date 08/04/2021

information presented in 14/4/2021