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Decentralised Wastewater System Decentralised Wastewater System

Handbook on Decentralised Wastewater Treatment Module

This handbook is one of the knowledge products produced as part of the South Asia Urban Knowledge Hub (K-hub). The South Asia Urban Knowledge Hub (K-hub) was established in 2014 to improve policy making in the urban sector based on credible research and knowledge from across government, academia, non-government organisations and the private sector. this handbook is prepared with the motive of providing basic guidance to decision makers at the state and city level in India to assess and plan for decentralised sanitation modules where on site sanitation system is being practiced. It starts by briefly explaining where such modules can be implemented and its pros and cons in comparison to centralised systems. The contents of the handbook are derived and adapted from a number of important and reliable sources like CDD-BORDA, Eawag, UNICEF, WSP etc. that provide detailed technological, social and economic aspects of this approach. The handbook contains five sections: The first chapter contains the introduction and explains why Decentralised sanitation is a feasible solution and briefly compares it with centralised systems. The second chapter explains the technological aspects of decentralised solutions. The third chapter highlights the sources of necessary financial support, including innovative ideas needed to implement such a module. Chapters two and three are illustrated with Indian case studies where such a module is working well. Chapter
four gives an overview of the capacity and skills required for implementing this module. Finally the last chapter emphasizes the need and methods to engage with stakeholders for its long term sustainability.