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Good practice Imported

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

Tanzania · Dar es Salaam · See the Tanzania profile · See the Dar es Salaam profile

Evidence: Descriptive / self-reported Top 96% 20/100 · Ask Evidence Copilot about this practice

A $200M World Bank IDA credit approved in October 2022, plus $60M in Dutch and Spanish co-financing, funds flood protection and resettlement for 300,000+ people in Dar es Salaam's Msimbazi basin. Its planned ecological park and mangrove restoration remain at the design stage.

$260 million $200M IDA + $60M co-financing
Total financing
300,000+
Residents targeted for flood protection
~3,500
Households to be resettled
$30 million
Resettlement funds disbursed
Msimbazi Basin Development Project — World Bank-Financed Flood Resilience and a Planned Urban Wetland Park for Dar es Salaam

Details

Maturity
Scaling
Promoter
Government of Tanzania, financed by the World Bank (IDA) with Government of the Netherlands and Government of Spain co-financing; planning support from GFDRR
Period
2022-2028
Keywords
flood resilience, urban planning, resettlement, disaster risk reduction

Context

A $200M World Bank IDA credit (approved October 2022) plus $60M Dutch/Spanish co-financing funds flood protection, resettlement and a planned ecological park for Dar es Salaam's Msimbazi basin, following $100M in damage from 2018 flooding.

Results

The project targets flood protection for 300,000+ residents and $30M already disbursed for resettling about 3,500 households; the nature-based elements (urban park, mangrove protection, reforestation) remain at planning/design stage, with grey infrastructure more concretely scheduled.

Implementation
Indicative cost
Very high (> €5M)
Time to results
Long (> 3 years)
Staffing & skills
Government of Tanzania project implementation unit, World Bank task team, GFDRR planning support

Conditions for success

  • converting the Opportunity Plan's nature-based design commitments into delivered, monitored works
  • sustained execution given documented local scepticism about 'grand plans'

Common failure modes

  • an independent urban specialist explicitly flagged execution risk given past unrealised plans in Dar es Salaam

Commonly funded by

National / regional programmes

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Data sources

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