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This 2020 industry brief by GreenCape examines the on-site treatment and reuse of grey- and blackwater to non-potable standards in South Africa. It outlines the technical processes for treating organic wastewater, the various technology variants available (such as pre-fabricated or constructed systems), and the regulatory landscape governed by the National Water Act and the National Environmental Management Act. The document highlights the economic and operational drivers for on-site treatment in both urban and rural settings, providing case studies from the Western Cape to demonstrate water and cost savings.

This document contains the proceedings of a two-day workshop held in August 2009 by the Stockholm Environment Institute (SEI) and EcoSanRes. The workshop focused on the legal, policy, and regulatory frameworks required to promote the sustainable reuse of nutrients from wastewater, human excreta, and greywater across various global regions.