Controversy Over Missing Khu Bon Water Retention Basin in New Bangkok City Plan

Explanation of King Rama IX's royal initiative to create water retention basins to protect Bangkok's economic zones from flooding.

MP Attawit Suwannaphakdee calls for clarification on the 130-rai Khu Bon project during a September 30, 2026, meeting.

Comparison of the Khu Bon basin's capacity (870,000 cubic meters) against other areas like Khlong Chan.

Evidence of BMA signage promoting the project in 2024, contrasted with its absence in the new city plan.

Reports that the designated land has been filled and developed into a housing estate.

MP Attawit links the land ownership to Sena Development and a former advisor to Governor Chadchart.

Discussion on the six planned large-scale basins designed to work with the flood wall system.

The Governor denies canceling royal projects, citing technical shifts and a massive increase in expropriation costs to 11 billion baht.

Governor Chadchart explains the five-pronged approach to flood management based on royal guidance.

MP Attawit argues the original cost was only 254 million baht and warns that tunnels alone cannot prevent flooding.

Demand to reinstate the Khu Bon basin in the 2027 city plan to prevent eastern Bangkok from sinking.

Announcement that the public can submit opinions on the city plan until November 9, 2026.