Koh Samui Municipality Prepares for the Rainy Season: Water Management Initiatives

Water Management Flood Prevention

Koh Samui officials are proactively preparing for the upcoming rainy season, with departments inspecting drains and clearing debris to prevent flash floods. Residents are encouraged to help by keeping the island clean and trash-free to ensure a safe and dry season for everyone.

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Overview of Water Management Meeting

On October 27, 2025, at the Muk Samui Room, the mayor of Koh Samui Municipality chaired a high-level meeting to coordinate water management strategies ahead of the approaching rainy season. With the forecast of continuous rains raising the risk of flash floods, runoff, and riverbank overflows, the municipality is mobilizing a wide range of resources and departments to proactively address potential challenges.

Assigned Tasks for Effective Flood Prevention

The meeting brought together several key departments, each entrusted with specific duties to ensure swift and effective water management across the municipality.

Public Health and Environment Department

This department has been tasked with thoroughly inspecting drainage pipes along roads and public spaces throughout the island. The removal of garbage and debris that could cause blockages in the drainage system is mandated to be immediate upon detection.

Sanitation Engineering Division

The division is responsible for inspecting wastewater treatment ponds and all major drainage points. Should polluted or stagnant water be identified, pumping and other remedial measures must be executed without delay. Furthermore, any encountered blockages are to be cleared promptly. The division is also authorized to request budget for urgent solutions, provided all disbursements adhere to legal and regulatory requirements.

Department of Engineering

A critical responsibility for this unit involves ensuring all water gates are fully operational. The department is also expected to monitor and remove sand accumulation from public roads and pathways, a vital measure to prevent sand from entering and blocking drainage channels, which could lead to sudden flooding.

Office of the Municipal Clerk

Functioning as the coordination hub for all activities, the Office of the Municipal Clerk is tasked with facilitating personnel deployment and machinery support to various units as circumstances demand. The office also plays a central role in daily rainfall reporting, supports inter-agency cooperation, and manages disaster prevention and relief operations.

Community Responsibility and Support

Residents of Koh Samui are urged to cooperate by refraining from disposing of waste on roadways and in public spaces. Such actions can lead to clogged drains, exacerbating the risk of flash floods during periods of intense rainfall.

Coordination, Reporting, and Integrated Action

All municipal departments involved in water management are expected to operate in a highly integrated manner, with primary coordination through the Office of the Municipal Clerk. Any operational challenges or emergent situations are to be communicated directly to the mayor for prompt resolution. The municipality has announced that progress will be monitored continuously, and urgent responses are to be enacted as needed to safeguard the community during the rainy season.

Frequently Asked Questions

Frequently Asked Questions (FAQ)

How is Koh Samui Municipality preparing to prevent floods during the rainy season?

Koh Samui officials have assigned multiple municipal departments with specific tasks, such as inspecting and cleaning drains, clearing debris, ensuring operational water gates, and monitoring key drainage points. These proactive measures are designed to prevent flash floods and ensure efficient water management throughout the rainy season.

What role can residents play in supporting flood prevention efforts?

Residents are strongly encouraged to keep the island clean by refraining from disposing of trash on roads and public spaces. Community cooperation is essential, as waste build-up can cause drainage blockages, increasing the risk of flash flooding during heavy rains.

Which municipal departments are involved in water management, and what are their responsibilities?

Several departments are involved:
Public Health and Environment Department: Inspects drainage pipes and removes debris immediately.
Sanitation Engineering Division: Inspects wastewater ponds, clears blockages, and takes immediate action on polluted water.
Department of Engineering: Ensures water gates function correctly and prevents sand from blocking drains.
Office of the Municipal Clerk: Coordinates all activities, handles reporting, and manages disaster response, working as the hub for inter-departmental and inter-agency cooperation.