ASEAN’S JOURNEY TOWARDS SUSTAINABLE SANITATION - A Practical Guide to Decentralised Wastewater Management

Technical Report
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This technical report serves as a comprehensive guide, offering practical insights and methodologies for the implementation of decentralized wastewater management (DWM) systems within the ASEAN region. It aims to provide a flexible framework adaptable to the diverse environmental, cultural, and economic contexts of ASEAN countries—fostering sustainable sanitation solutions that support both regional development goals and global standards.

The guide delivers practical insights, best practices, and actionable steps tailored to the specific challenges faced by municipalities in the region. It provides detailed technical guidance on DWM system design, treatment technologies, and reuse options, thereby equipping local authorities and practitioners with the tools needed to develop and implement context-appropriate projects and programs.

Beyond technical instruction, this report underscores the importance of collective knowledge and collaboration. It draws on best practices and case studies from both ASEAN and international experiences, offering inspiration and direction for municipalities at various stages of their DWM journey.

Aligned with the ASEAN countries’ commitment to Sustainable Development Goal (SDG) 6, this guide serves as a roadmap to support the achievement of SDG targets 6.2 (access to adequate and equitable sanitation) and 6.3 (improving water quality through pollution reduction and wastewater treatment).

Author:
Andreas
Schmidt
Ajith
Edathoot
Rohini
Pradeep
Aparna
Unni
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