South West Water Explicata WET Report 1 (2007)

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This report by South West Water analyses a water efficiency trial for households. The study comprised ‘Control’ and ‘Sample’ households, 109 and 430 respectively, which were offered a variety of water-saving devices for installation. The analyses prior and after device installation indicate percentage water use reductions of approximately 10% per household, which declined to 6% after seven months following the installation. The water- saving device percentage reduction was greater the larger the number of devices installed in the household.