Msimbazi Basin Development Project — World Bank-Financed Flood Resilience and a Planned Urban Wetland Park for Dar es Salaam

Catastrophic 2018 flooding caused roughly $100 million in property damage in Dar es Salaam's Msimbazi River basin, which cuts through the city's economic core. In response, the Global Facility for Disaster Reduction and Recovery (GFDRR) ran a multi-stakeholder planning process (a 2018 'charrette') that produced the Msimbazi Opportunity Plan, aiming to combine flood protection with transformation of the flood-prone valley centre into green public space.

On 4 October 2022, the World Bank's Board approved a $200 million IDA credit for the Msimbazi Basin Development Project, with $60 million in additional co-financing from the governments of the Netherlands and Spain. The project has five components: basin development infrastructure, preventative resettlement, institutional strengthening for resilient urban development, project management, and a contingent emergency response mechanism. It targets flood protection for more than 300,000 residents, with roughly 3,500 households to be relocated from the highest-risk zones and $30 million already disbursed for that resettlement.

The plan's nature-based elements -- a climate-resilient urban park in the flood-prone valley, mangrove protection and expansion, riverbank protection, and upper-basin reforestation -- are named in the Opportunity Plan and secondary reporting, but the project's own public materials describe them, as of the most recent information available, as planning and design commitments rather than completed or measured works; grey infrastructure such as dredging, terracing and the Jangwani bridge/bus-depot reconstruction is more concretely scheduled.

An independent urban specialist quoted by Inter Press Service cautioned that 'we've seen grand plans come and go' in Dar es Salaam, an explicit third-party flag of execution risk rather than a criticism unique to this project.

Read the full analysis: https://www.msimbazibasin.tz/project-overview/