Saturday, 3 October 2026
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Executive summary

InvestigationFloods in Keur Massar: causes and lasting solutions

Key findings and actions under way on flooding in Keur Massar.

Back to the case file
Critical points
31
in 8 neighbourhoods
Average stagnation
10 days
after heavy rain
Administrations involved
3
incl. ONAS and Dakar City Hall
Ongoing actions
6
followed by citizens

Context

Built in low-lying areas without drainage, many neighbourhoods of Keur Massar flood every year.

Key findings

  • 31 critical points identified.
  • Water stays 10 days on average after heavy rain.

Identified causes

  • Construction in flood-prone areas.
  • Blocked or missing drainage channels.

Impact on citizens

  • Damaged homes and displaced families.
  • Water-borne diseases.

Responses from the authorities

  • Channel cleaning before the rainy season.

Points of vigilance

  • Completion of the retention basins.

Summary conclusion

Only structural drainage works will end the yearly floods. Their schedule must be public and followed closely.

Next steps

  1. Channel cleaningJune 2025
  2. Rainy-season reviewOctober 2025