Monday, February 11, 2013

Water in the privacy of our homes


Most water we consume is meant for farming and cattle raising: to be precise, seven out of every ten litres. Two more litres are meant for the industry and transport, and the remaining litre is meant for urban use and direct water consumption.
However, water consumption (in terms of volume and use) varies from country to country and from town to town. For instance, in Barcelona, 64% water is meant for domestic use, 29% is meant for industrial use and trade, and 7% is meant for municipal services.
As average, Barcelona citizens use 122 litres of water every day. Some of it (30%) is wasted when we flush our toilets, another 20% is used when we have a shower and another 20% is used by our washing machines. 10% is used when we wash our hands, 9% when we wash our dishes and only 5% of the total amount of water is directly consumed as drinking water or cooking water. The rest, 4% is used for cleaning and 2% for watering our plants.

Sources:
  1. The Water footprint of humanity, a survey on how we manage the water resources of our planet: http://www.pnas.org/content/early/2012/02/06/1109936109.abstract
  2. Barcelona water consumption data are taken from the environmental education programme Agenda21, drawn by the Town Council of Barcelona: http://80.33.141.76/ag21/index.php/publicacions-2 (at present, Agenda21 website is still under construction and it can only be read in Catalan language. Some documents are translated into Spanish, but water consumption data are only available in Catalan language)

    
    
    
  

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