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Water supply system in the Rio de Janeiro Metropolitan Region: Open issues, contradictions, and challenges for water access in an emerging megacity

2018; Elsevier BV; Volume: 573; Linguagem: Inglês

10.1016/j.jhydrol.2018.02.045

1879-2707

Ana Lucía Britto, Antonella Maiello, Suyá Quintslr,

Water resources management and optimization

Access to safe drinking water is now recognized as a human right and a government priority at an international level. In modern megacities, where urban agglomerations progressively encroach on the fringes between cities and rural areas, a growing trend in developing countries, water access is an urgent concern. Like most of the world's megacities, the Rio de Janeiro Metropolitan Region is marked by a dependence on water sources outside its borders. This paper describes and discusses the unequal distribution of water supply and sanitation (WSS) services in this metropolitan area from a historical path-dependence perspective. Drawing upon the theoretical concept of the socio-technical system, it explores diachronically past, present, and future scenarios of WSS in the area. The conclusions stress the existence of socio-technical path-dependency and raise questions for future researches.