Quantification of urban water demand in the Island of Santa Cruz (Galápagos Archipelago)

Journal Article (2017)
Author(s)

Maria Fernanda Reyes (IHE Delft Institute for Water Education)

Nemanja Trifunović (IHE Delft Institute for Water Education)

Saroj Kumar Sharma (IHE Delft Institute for Water Education)

Noémi D’Ozouville (Charles Darwin Foundation)

Maria D. Kennedy (IHE Delft Institute for Water Education, TU Delft - Sanitary Engineering)

DOI related publication
https://doi.org/10.5004/dwt.2017.20284 Final published version
More Info
expand_more
Publication Year
2017
Language
English
Volume number
64
Pages (from-to)
1-11
Downloads counter
141

Abstract

Tourism exerts a significant pressure on water resources in tropical islands and is the main reason for the increase in water demand. This paper analyzes and quantifies water demand in Santa Cruz, the most populated island of Galápagos Archipelago (Ecuador). The data for this study were collected from a survey of 374 households in the two main settlements, Puerto Ayora and Bellavista. Water supply from different sources was assessed and compared with domestic and tourist water use. The study revealed that the daily average water demand per capita differs 40% between the settlements, mainly resulting from a difference in water tariffs. The tourist sector was also confirmed as the major consumer, accounting for 55% of the total water demand. Lastly, implementation of proper water demand management measures is essential in order to develop consumers’ awareness and sustainable tourism.