29 publications
PDFThis user manual provides practical guidance on using and maintaining the Gulper I. It explains how the technology works, introduces its key components: including the plunger, butterfly valve, T-pipe outlet, and trash…
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PDFMost utilities are still early in their AI journey, but they already hold valuable data. The appetite to innovate is strong, and the basics for adoption are in place.
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PDFA survey conducted across 27 utilities by Opero Services examines how utilities are engaging with NSS, their institutional capacity, investment priorities, access to faecal sludge treatment infrastructure and financing…
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PDFThis brief was developed through a collaboration between Opero Services and the Centre for Affordable Water and Sanitation Technology (CAWST as part of the ongoing development of the Vetiver Latrine. It draws on six…
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PDFThis brief reviews the toilet containment options available to rural households in western Kenya, including their installation and operating costs, suitable settings, and the market conditions facing new sanitation…
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PDFThis user manual provides practical guidance on how to operate and maintain a trash pump safely and effectively.
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PDFThis brief explores what rural households in western Kenya value in a toilet and how the Vetiver Latrine responds to these preferences.
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PDFThe findings draw on observations and field experience from Opero’s pilot installations, with methods and sample sizes presented alongside each finding. These observations are distinguished from insights drawn from…
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PDFThis manual is designed to help PitVaq owners and pit emptiers operate and maintain the machine safely and effectively
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PDFThis guide introduces the main components of the technology, including the vacuum unit, compressor unit and engine.
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PDFFor sanitation to be safe, the toilet also has to be emptied safely, and the waste taken away and treated
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PDFKenya’s non-sewered sanitation sector faces significant service gaps, but also opportunities for enterprise growth, investment and job creation. This World Bank report examines the market potential across five Kenyan…
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PDFThe first Majipreneurs Summit in Kenya brought together 170 WASH entrepreneurs, investors, development partners, utilities, policymakers and other sector stakeholders in Nairobi on 15–16 April 2026.
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PDFSince 2006, KIWASCO has worked with local community actors known as Master Operators (MOs) to extend water distribution and customer management in the low-income settlements in Kisumu.
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PDFSee how Kisumu built a functioning non-sewered sanitation system.
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PDFHow Kisumu built formal pit-emptying system through standards, disposal access and operator support.
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Practical lessons on trash, thick sludge and equipment care during pit-latrine emptying.
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A recap of Opero's late-2024 work across humanitarian treatment, green sanitation, enterprise support and PuPu Pump commercialization.
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Lessons from introducing improved equipment into pit-latrine emptying services.
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A PuPu Pump Digest issue on portable sanitation service delivery in difficult terrain.
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Testing modular anaerobic digesters for decentralized sanitation, resource recovery and clean-energy production.
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Lab and field testing of a waterless toilet designed to dehydrate and treat waste where sewer infrastructure is impractical.
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Field testing and commercialisation of a portable pit-emptying technology with sanitation service providers in East Africa.
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Development and pilot testing of a self-sustaining fecal sludge treatment unit for humanitarian settings.
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Development and field testing of a lower-cost latrine combining barrel containment with a vetiver grass treatment bed.
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An overview of Opero's WASH enterprise, innovation and market-research programmes across East Africa.
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