Clean Team Toilet
Clean Team, IDEO.org
Clean Team is a Ghanaian social enterprise that that provides household toilets at a low monthly fee.
The Clean Team service is a comprehensive sanitation system, with a custom-designed stand-alone rental toilet (which is urine-diverting, or UDDT), as well as a waste-removal system that collects 2-3 times per week. Once at their central processing facility, they transport the waste to a treatment site. Clean Team now serves 5,000 people in Kumasi, Ghana, making lives cleaner and healthier. This business evolved from the Uniloo project: a collaborative venture between WSUP (Water and Sanitation for the Urban Poor), Unilever, and design consultants IDEO.
$4 initial fee for the toilet; $9/month for the service
(compares to $30/month for public toilet use by a 5-person family). In addition, the organization is exploring tiered pricing options for schools, households, businesses, public toilets, and community centers. Family size can alter collection frequency, launching price to a possible $20.45/month.
Sanergy Freshlife, Sanivation Blue Box Toilet, Traditional Pit Latrines, open-defecation
Goal 6: Clean water and sanitation
Low income populations in dense urban areas. This product has a distribution history in Kumasi, Ghana
Toilets are manufactured in China and imported.Interview with representative
They rent households a branded portable toilet and collect the waste 2-3 times per week. Once at their central processing facility, they transport the waste to the municipal treatment site. Their plan for scale is to use financially viable methods to convert the waste into energy and organic fertilizer to sell to commercial farms in the region (though this process has not yet begun).
1,000+Interview with representative
Type of toilet
Method of evacuation
How the fecal sludge is stored
The holding volume of the containment
Time until emptying is estimated to be needed
The following outlines the design of their waste management service:
To receive a toilet, the user must sign up for a collection plan (vs. purchasing the actual toilet). New customers pay a one-time 15 GHS (roughly $4). The collection plan costs $9/month for basic collection and cleaning.Interview with representative
Pick-ups are 2-4 times a week on certain days, depending on family size. The person collecting will pick up the “cartridge” (a removable plastic bucket where the waste drops), puts a lid on it, and then puts it in a hand pushed trolly. A full trolly is transported to a local central location, and then a truck takes the waste to a processing plant. Once at their central processing facility, they transport the waste to a separate municipal treatment site, the Dompoase Metropolitan Waste Treatment Facility, which reduces BOD (biochemical oxygen demand) by 70-80% through a series of waste stabilization ponds (WSPs). Their plan for scale is to use financially viable methods to convert the waste into energy and organic fertiliser to sell to commercial farms in the region. However, Clean Team does not yet process the waste into energy or fertilizer. To date, the municipal waste treatment facility discharges the treated wastewater into the river.
The actual toilets costs approximately $91.
Toilet type: urine-diverting dry toilet (UDDT)
Clean Team rents households a branded portable toilet and collect the waste 2-3 times per week.
Components are available locally.
Service providers recover any toilets that are defective or at end-of-life.
Internal manufacturer performance targets have not been released.
Performance was evaluated as part of a Civil and Environmental Engineering Master’s Thesis at the Massachusetts Institute of Technology, titled Evaluation of Innovative Decentralized Sanitation Technologies in Ghana. The evaluation recommended that for large projects in densely populated areas, the Clean Team Toilet was the best choice if a reuse for waste and safe disposal of biocide can be established.
Testing has been done by the manufacturer and WSUP (Water and Sanitation for the Urban Poor).
Safe handling of waste material requires protective clothing, as the biocide chemicals used to clean toilets present serious health and environmental concerns.
Performance was evaluated as part of a Civil and Environmental Engineering Master’s Thesis at the Massachusetts Institute of Technology, titled Evaluation of Innovative Decentralized Sanitation Technologies in Ghana.
No standards have been cited by the designer.
Field testing.Interview with representative
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