Water scarcity and poverty: The lasting impact of a maintenance campaign at South African schools across the affluence divide.

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Water features prominently in discussions on sustainability. The recent Cape Town 'Day Zero' drought heightened fears about global cities running dry as the climate changes. During that crisis a campaign was launched to save water at schools, consisting of a basic maintenance campaign and a behavioural campaign. The former was limited to easy fixes, and the latter comprised an information campaign and an information and competition campaign. The impacts of these were assessed immediately after the interventions. This paper revisits the maintenance results by assessing the difference in responses according to affluence levels of the schools, and by evaluating the impacts one year after the campaigns. We find that the poorer schools were not able to sustain the maintenance gains, especially at the primary schools.