Abstract
AbstractThis case study implements long-term projections of domestic water demand for a UK water company, Thames Water. Projections of per household consumption (PHC) and households were combined t...
Highlights
ContextLondon and the Thames Valley is situated in a ‘seriously water stressed’ UK region (EA, 2013) (Fig.1)
By 2101, the 2011 water demand of 1,225 million litres a day grew 90% under Business as Usual, 69% under Light Green and 46% under Dark Green
The authors model and predict baseline per household consumption (PHC) by households classified by property type, occupants and ethnicity, which are key drivers of water consumption
Summary
London and the Thames Valley is situated in a ‘seriously water stressed’ UK region (EA, 2013) (Fig. 1). Annual rainfall is low; per capita water supply is lower than in many hotter and drier. Thames Water’s needs include projections of domestic water demand to 2100 for its strategic plans. To achieve this goal, the population, households, per household consumption (PHC) and per capita consumption (PCC) need to be projected. The authors model and predict baseline PHC by households classified by property type, occupants and ethnicity, which are key drivers of water consumption. Scenarios of household water saving measures and projections of future PHCs are developed. Multiplication of scenario PHCs by projected households produces alternative projections of domestic water demand
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