RWANDA: Kigali city to get first central sewerage system

The collective sanitation project will include the construction of a tertiary, secondary and primary sewerage network.

central sewerage system

Kigali, the capital city of Rwanda, will soon get its first central sewerage system to improve wastewater management in the city.

The government of Rwanda is currently implementing the sanitation project that involves the construction of Rwanda’s first central sewerage system to cater for the entire Central Business District (CBD) of Kigali and the outlined catchment areas.

Kigali city director of urban planning – Fred Mugisha said the masterplan of the centralized sewage system is in place and the implementation of the project will start soon.

The collective sanitation project will include the construction of a tertiary, secondary and primary sewerage network extending over 89 km, and will direct wastewater to a treatment plant which will be built with a capacity of 12 000 m³ of wastewater per day.

Mugisha added that the centralized sewerage system is aimed at discouraging individuals from installing septic tanks in their homes and premises, arguing that the septic tanks are costly to maintain and do not guarantee sanitation as per the city’s wastewater management goals.


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The authorities reckon that the treated water from the central place could be reused, notably for irrigation and watering the many green spaces in the city of Kigali.

“The plan has taken into consideration the population that this centralized sewerage system will serve. Our aim is to have the wastewater collected in a central place and be recycled for other usage within the city,” Mugisha said.

According to Mugisha, the feasibility phase of the project is complete and the implementation however costly, will be of high benefit to Kigali city.

The Rwandan government has secured US$106 million from the African Development Bank (AfDB) and the European Investment Bank (EIB) to financing the project.

The project is part of Rwanda’s Sustainable Water Supply and Sanitation Programme, aimed at achieving the SDG goal 6 of ensuring availability and sustainable management of water and sanitation for all.


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