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University of Malta (2015)

Assessing the potential of water conservation in domestic houses and the attitudes towards water conservation

Cilia, David

Titre : Assessing the potential of water conservation in domestic houses and the attitudes towards water conservation

Auteur : Cilia, David

Université de soutenance : University of Malta

Grade : Master of Science (MS) Sustainable Infrastructure 2015

Fresh water resources in Malta are scarce. The only source of fresh water is that which is stored in the ground ; resulting in the perched aquifers and the mean sea level aquifer. To make things even worse, during the years dating back from the 1970’s, different practices have contributed towards the rapid depletion of such an important resource. These practices originataed from various sectors, including ; agricultural practices, construction industry, tourism industry, domestic water use (due to out-dated sanitary facilities) and mismanagement from the responsible authorities. The major problem with the island’s aquifer is arising from the fact that the water table is not being re-charged at the same rate or more, than that being extracted, which therefore is making such a situation unsustainable. The Water Services Corporation extracts 13 million cubic metres of water every year from the ground water resources. Domestic water use, on average, is the biggest consumer of the water produced by the Water Services Corporation and the consumption of water from this sector has been increasing on a yearly basis. This increase may be attributed to the ever growing population which is not likely to be reducing in the near future. The larger the amount of water consumed, the bigger the potential for water saving. This study focused on the introduction of low cost, retro fitting techniques, which would help to reduce the water consumption in households. Such techniques are of a non-intrusive nature, are relatively cheap and can be easily installed by anyone in their respective homes. The water saving devices consist of low flow water aerators which are installed to sink faucets, the replacement of old showerheads with low flow showerheads and the installation of water saving bags inside toilet cisterns (single flush toilets). The study investigates the amount of water which may be saved, in the one hundred households that participating, by the installation of such technologies. Therefore a better picture is formed on the potential outcome, which could be generated once the intervention is carried out at a national level. The participating households were selected from within employees of the MIA and the general public who given a demonstration of how to install such fitting. Through regular annotation of meter readings, after installation and by means of comparing the data accumulated past water consumption records, the effectiveness of such devices and their potential contribution towards water conservation, was assessed. The author investigated the attitudes of the participants, the way in which such attitudes changed throughout the study and the way the study affected their life, if any.

Présentation (OAR@UM)

Page publiée le 4 mai 2022