SuDS for managing surface water in Diepsloot informal settlement, Johannesburg, South Africa

Abstract

Sustainable drainage systems (SuDS) imitate natural water management processes in catchments that have been degraded due to urbanisation. The aim is to reduce the quantity of stormwater runoff and improve water quality. Management of rainwater in the informal settlement of Diepsloot in Johannesburg is compounded by domestic wastewater discharged into the informal lanes. These lanes fall outside the mandate of the City of Johannesburg’s stormwater management system; hence residents need to rely on their own initiatives to address surface-water problems.

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