This article describes how rainwater harvesting can play a valuable role in increasing the resilience and sustainability of water supply. The different types of rainwater harvesting systems are described and advantages and disadvantages of the technology listed. Some of the key design and operational principles are presented to enable the practicality and applicability of systems to be understood. Finally, conclusions are drawn and policy, and other, recommendations are made to support the increased adoption of rainwater harvesting systems in South Africa.
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