IWA Non-Sewered Sanitation Conference 2023

IWA NSS Conference 2023

The 1st International Water Association (IWA) Non-Sewered Sanitation (NSS) specialist group conference, hosted by the Water Research Commission in South Africa, served as a pivotal platform for addressing the sanitation needs of approximately 4 billion people. This significant event responded to the challenges posed by sanitation and aimed to stimulate research and innovation for non-sewered sanitation solutions, including fecal sludge management. The conference also sought to build the technical and scientific foundation for NSS while contributing to scientific knowledge and good practice.


Taking place at Emperors Palace, Johannesburg, from 15-18 October 2023, the conference marked a decade of progress in non-sewered sanitation. Against the backdrop of climate consequences, water security issues, population growth, and infrastructure challenges, the event proved highly relevant. It became a conduit for sharing outcomes, innovations, and progress in the realm of sanitation.

Benefits of the IWA NSS Conference:

1. Meeting Global Challenges:

The conference played a pivotal role in addressing pressing global issues such as climate change, water security, and population growth. It aligned with the Sustainable Development Goals (SDGs) by addressing sanitation inequities and expanding access to aspirational solutions.

2. Sharing Knowledge and Innovations:

Converging practitioners, NGOs/NPOs, policymakers, academics, innovators, researchers, and industrial and finance specialists, the conference facilitated the exchange of the latest scientific knowledge and innovations. The overarching goal was to envision a future where human waste becomes a valuable resource, driving a circular economy.


WEC’s Contributions at IWA:

Khanyisani Newgen by WEC Projects

WEC actively participated in the conference, presenting various white papers and abstracts focusing on the NEWgenerator ᵀᴹ off-grid sanitation system. The NEWgenerator ᵀᴹ, initially developed by the University of South Florida and now manufactured by WEC Water as part of the Water Research Commission’s SASTEP programme, is a portable, off-grid sanitation system designed to aid rural and smaller communities in Africa with clean sanitation. 

WEC also seized the opportunity to exhibit at the conference, showcasing the NEWgenerator ᵀᴹ and engaging with attendees. The exhibition served as a platform to demonstrate the practical application and benefits of the off-grid sanitation system. To culminate the event, it was inspiring to witness our esteemed technical partners, USF, receive two prestigious awards. Prof. Daniel Yeh was honoured with the IWA Specialist Group Chair Award, and Hsiang-Yang Shu and Robert Bair were recognised for presenting the best poster, exemplifying the excellence and innovation that USF brings to the field of non-sewered sanitation.


View our presented abstracts

For a detailed exploration of our contributions, feel free to view our presented abstracts:

Non-sewered sanitation case study: Newgenerator™ off-grid treatment system for multi use toilets in a South African primary school, Bizana, Eastern Cape

Community engagement and acceptance of a non-sewered sanitation system: Slovoville case study

Newgenerator™ off-grid treatment system SlovoVille lessons learned during the first year of operation

The 1st IWA NSS Conference 2023 was not merely an event; it acted as a catalyst for positive change. As we collectively work towards a future where sanitation is equitable, sustainable, and innovative, let us unite to transform sanitation from a challenge into a resource. Stay connected for further updates on our journey towards a cleaner and more sustainable future.

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