A shared mission across borders

Success stories from the Africa learning exchange

A group of people digging soil pit lining.

Partners from 8 organizations joined the Africa Regional Learning Exchange in December 2024 at the Aqua Clara Kenya campus in Rigoma, Kenya.

In December 2024, advisors from CAWST and practitioners from eight of our partner organizations in Africa gathered in Rigoma, Kenya, for the Africa Regional Learning Exchange, a vibrant, six-day experience that brought together passion, purpose, and partnership.

Who was there:

Participants from across the continent shared local innovations, hands-on techniques, and hard-won lessons. The atmosphere was one of mutual support and discovery, grounded in the belief that learning is strongest when it’s collective, and when knowledge flows both ways.

Hosted by Aqua Clara Kenya, the event balanced field visits with technical sessions. Attendees tested water quality, discussed menstrual hygiene education in schools, and took part in WASH technology demonstrations. But the heart of the exchange was a humble hole in the ground.

Shared knowledge:
A sustainable method for preventing latrine collapses

A group of people filling in a soil pit lining with dirt.

Partners from 8 organizations joined the Africa Regional Learning Exchange in December 2024 at the Aqua Clara Kenya campus in Rigoma, Kenya.

In sandy-soiled Liberia, latrine collapse is a widespread issue. Empowerment Rehabilitation Services (ERS) introduced an innovative, low-cost solution: the stabilized soil pit lining method. Working closely with CAWST, they piloted a simple but effective solution: a stabilized soil method that uses local materials to strengthen pit linings. The 18-month study proved this method to be not only cost-effective, but also far more durable than traditional pit lining options. Watch the short video to see highlights from the pilot project.

During the exchange, partners didn’t just learn about the technique, they dug, mixed, and lined a pit themselves. The excitement was contagious. Attendees from Tanzania, Uganda, and Zambia eagerly committed to testing the method back home.


A group of people sitting outside with latrine equipment.

Partners from 8 organizations joined the Africa Regional Learning Exchange in December 2024 at the Aqua Clara Kenya campus in Rigoma, Kenya.

The ripple effect

Thanks to ERS’s leadership and the hands-on nature of the session, partners left with not only a new technical solution but also a renewed sense of possibility and connection. The stabilized soil pit lining method is now set to spread across the continent, with communities benefiting from a low-cost, locally-adaptable solution to improve sanitation and prevent latrine collapses.

The learning didn’t end with the closing session. A new peer network was born! This active community of trainers and implementers continue to share insights and resources, determined to transform water, sanitation and hygiene programs with solutions that are locally driven and globally supported.


What’s next?

The exchange will influence water, sanitation and hygiene projects in participants’ home regions by introducing new technologies and approaches. Our partners plan to test and adapt these insights to improve practices, increase service delivery, and address local challenges, especially in areas like gender-sensitive programming and sustainable infrastructure.

A group of people carrying a concrete latrine pit.

Partners from 8 organizations joined the Africa Regional Learning Exchange in December 2024 at the Aqua Clara Kenya campus in Rigoma, Kenya.


The Africa Learning Exchange shows what is possible when people come together to share knowledge, test ideas, and learn from one another. This kind of collaboration does not happen by chance. It is made possible by donors who believe in investing in people, not just projects.

When you give to CAWST, you strengthen a global network of local organizations who are solving water, sanitation, and hygiene challenges in their own communities. Your support helps turn practical ideas into lasting solutions that are shared, adapted, and sustained for generations.

Clean water is just the beginning.

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From sickness to strength: a grandmother’s struggle and solution to safe water in India