Clustered patterns of household water consumption in Portuguese municipalities: do regional location and population trajectory matter?

Jacinto, Gonçalo; Barreira, Ana Paula

http://hdl.handle.net/10400.1/26805

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Authors

Jacinto, Gonçalo

Barreira, Ana Paula

Abstract(s)

Portugal faces water scarcity challenges, yet studies on per-household water consumption are limited. This study aims to address this gap by employing cluster analyses to assess how population trajectories, a previously overlooked aspect, and the regional location influence per-household monthly water consumption across 122 municipalities. Findings highlight higher consumption in the South despite lower prices. Municipalities experiencing population growth and those with long-term population declines show higher per-household water consumption but lower prices. Interestingly, while higher prices correlate with lower consumption, southern municipalities show increased prices without reduced consumption. Clustering reveals slight changes in consumption patterns from 2011 to 2020.