Defining domestic water consumption based on personal water use activities

As the world increasingly faces water shortages, it is critical to develop realistic estimates of water consumption based on water-use activities rather than top-down imposed limits. This study quantifies the absolute basic consumption (ABC) of an individual, irrespective of water-use location or wa...

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Autores principales:	Melissa Lauren Crouch, Heinz Erasmus Jacobs, Vanessa L. Speight
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	drinking water stochastic model sustainable urban development water consumption water demand water-use activities Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c0b31483264f44fea2280e061fdeacf0
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spelling	oai:doaj.org-article:c0b31483264f44fea2280e061fdeacf02021-11-05T17:19:30ZDefining domestic water consumption based on personal water use activities2709-80282709-803610.2166/aqua.2021.056https://doaj.org/article/c0b31483264f44fea2280e061fdeacf02021-11-01T00:00:00Zhttp://aqua.iwaponline.com/content/70/7/1002https://doaj.org/toc/2709-8028https://doaj.org/toc/2709-8036As the world increasingly faces water shortages, it is critical to develop realistic estimates of water consumption based on water-use activities rather than top-down imposed limits. This study quantifies the absolute basic consumption (ABC) of an individual, irrespective of water-use location or water source, with a focus on personal water-use activities rather than measured household consumption. A theoretical model to stochastically describe 21 personal water-use activities was developed, corresponding to lifestyle levels based upon Maslow's hierarchy of physiological needs. From this model, the expected value of ABC was 92 L/capita/day (LPCD) and includes restrictions on several everyday activities and thus would be better as a minimum target during stringent water restrictions. A more realistic expected value for non-wasteful, indoor-only water use was determined to be 175 LPCD. The results of this study serve as a useful benchmark to inform policy choices and efforts to conserve water without affecting health and wellbeing. HIGHLIGHTS It is important to quantify water consumption based on water-use activities and across all daily water-use locations.; The expected value of basic water consumption for a healthy urban lifestyle is 92 L/person/day, which includes restrictions on everyday activities.; A more realistic expected value for water consumption is 175 L/person/day across all water-use locations during a typical day.;Melissa Lauren CrouchHeinz Erasmus JacobsVanessa L. SpeightIWA Publishingarticledrinking waterstochastic modelsustainable urban developmentwater consumptionwater demandwater-use activitiesEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350ENAqua, Vol 70, Iss 7, Pp 1002-1011 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	drinking water stochastic model sustainable urban development water consumption water demand water-use activities Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
spellingShingle	drinking water stochastic model sustainable urban development water consumption water demand water-use activities Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Melissa Lauren Crouch Heinz Erasmus Jacobs Vanessa L. Speight Defining domestic water consumption based on personal water use activities
description	As the world increasingly faces water shortages, it is critical to develop realistic estimates of water consumption based on water-use activities rather than top-down imposed limits. This study quantifies the absolute basic consumption (ABC) of an individual, irrespective of water-use location or water source, with a focus on personal water-use activities rather than measured household consumption. A theoretical model to stochastically describe 21 personal water-use activities was developed, corresponding to lifestyle levels based upon Maslow's hierarchy of physiological needs. From this model, the expected value of ABC was 92 L/capita/day (LPCD) and includes restrictions on several everyday activities and thus would be better as a minimum target during stringent water restrictions. A more realistic expected value for non-wasteful, indoor-only water use was determined to be 175 LPCD. The results of this study serve as a useful benchmark to inform policy choices and efforts to conserve water without affecting health and wellbeing. HIGHLIGHTS It is important to quantify water consumption based on water-use activities and across all daily water-use locations.; The expected value of basic water consumption for a healthy urban lifestyle is 92 L/person/day, which includes restrictions on everyday activities.; A more realistic expected value for water consumption is 175 L/person/day across all water-use locations during a typical day.;
format	article
author	Melissa Lauren Crouch Heinz Erasmus Jacobs Vanessa L. Speight
author_facet	Melissa Lauren Crouch Heinz Erasmus Jacobs Vanessa L. Speight
author_sort	Melissa Lauren Crouch
title	Defining domestic water consumption based on personal water use activities
title_short	Defining domestic water consumption based on personal water use activities
title_full	Defining domestic water consumption based on personal water use activities
title_fullStr	Defining domestic water consumption based on personal water use activities
title_full_unstemmed	Defining domestic water consumption based on personal water use activities
title_sort	defining domestic water consumption based on personal water use activities
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/c0b31483264f44fea2280e061fdeacf0
work_keys_str_mv	AT melissalaurencrouch definingdomesticwaterconsumptionbasedonpersonalwateruseactivities AT heinzerasmusjacobs definingdomesticwaterconsumptionbasedonpersonalwateruseactivities AT vanessalspeight definingdomesticwaterconsumptionbasedonpersonalwateruseactivities
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Defining domestic water consumption based on personal water use activities

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