Abstract
As there is a limited availability of information on the domestic water consumption through kitchen taps, data collected in a study on dishwashing habits in four European countries has been analysed to gather common habits in the water end-use of households. This paper provides empirical data based on water consumption measurements in 81 households. With the help of a simultaneous webcam observation of the kitchen sink, it was possible to assign the metered consumption data to a specific water use, such as cleaning, drinking or cooking. Water end-use has been analysed with this approach at a very deep level. The study shows that there are, in some measure, large country-specific differences in diurnal water use, as well as in the composition of kitchen activities. Furthermore, the research findings indicate that small households use much more water per person and day than bigger households. This is rather important as demographic shifts are causing a decreased average household size - particularly in urban areas - and, therewith, a growing demand. Water-saving measures at the household and individual level should meet this trend. This paper, therefore, also provides information on to what extent particular kitchen tasks are influential for water consumption in the kitchen, respectively, which activities are important to concentrate on for consumer advice regarding water conservation.
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Richter, C.P., Stamminger, R. Water Consumption in the Kitchen – A Case Study in Four European Countries. Water Resour Manage 26, 1639–1649 (2012). https://doi.org/10.1007/s11269-012-9976-5
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DOI: https://doi.org/10.1007/s11269-012-9976-5