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Bangkok Declares Citywide Flood Disaster After 300mm Rain

By Drooid · Sep 28, 2026, 11:56 AM UTC · How we work

Summary

Story summary

Governor Chadchart Sittipunt declared a citywide flood disaster after nearly 300 mm rain.
The declaration gave all 50 districts special powers for emergency response.
Pumping stations ran at full capacity moving 1,200 cubic metres per second while one million sandbags were prepared.
About 1,000 residents were evacuated while 5,901 people stayed in 234 shelters citywide.
Economic losses were estimated at least 11 billion baht ($327 million), cutting projected GDP growth by 0.3 percentage points.

History

Historical Context

Thailand’s 2011 monsoon floods killed 815 people, affected 13.6 million and cost the World Bank an estimated 1.425 trillion baht, exposing chronic drainage weaknesses. In October 2024 Governor Chadchart Sittipunt declared a citywide flood, activating Bangkok’s 50 districts, pumping stations at 1,200 m³ s?¹ and preparing one million sandbags. The events show the nation’s persistent flood risk.

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Story summary

Governor Chadchart Sittipunt declared a citywide flood disaster after nearly 300 mm rain.
The declaration gave all 50 districts special powers for emergency response.
Pumping stations ran at full capacity moving 1,200 cubic metres per second while one million sandbags were prepared.
About 1,000 residents were evacuated while 5,901 people stayed in 234 shelters citywide.
Economic losses were estimated at least 11 billion baht ($327 million), cutting projected GDP growth by 0.3 percentage points.

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