Thailand's water challenge is not simply a matter of too much water or too little. It is a question of how effectively the country manages water as one interconnected system -- across agencies, geographical boundaries and competing economic needs.
Thailand has invested heavily in dams, reservoirs, canals and drainage systems. Yet infrastructure alone cannot guarantee effective water management. The greater opportunity lies in strengthening governance, operational processes and professional capabilities so that existing infrastructure, information and expertise translate into coordinated action.
The priority is to move beyond reacting to individual floods and droughts towards building a system that can anticipate risks, make informed decisions and respond effectively in both normal conditions and emergencies.
Water connects agriculture, industry, cities, ecosystems and communities. Releasing water from a reservoir may reduce risks in one area while increasing them downstream. Protecting an urban area from flooding may affect agricultural land.
Effective management therefore requires a basin-wide understanding of how water flows, where it can be stored, when it should be released and how decisions affect other areas. Flood and drought management must be planned together, not treated as separate problems.
The opportunity is to make existing infrastructure work as an integrated system, supported by shared information, coordinated planning and a clear understanding of local conditions. Good infrastructure needs good management, and good management depends on capable people, clear responsibilities and a shared understanding of the whole system.
An effective water management system requires three interconnected elements: policy, governance and operations.
The Office of the National Water Resources should play a role beyond interagency coordination. By integrating information, connecting plans and assessing trade-offs, it should be equipped to provide timely, credible advice to the prime minister or the highest-level decision-maker. Its influence should rest on the quality of its analysis and recommendations, even when it lacks direct command authority over every agency.
Third, establish clear operational authority. Every agency and individual must understand their responsibilities and how these connect with those of others. The Bangkok Metropolitan Administration and the Royal Irrigation Department, for example, need to coordinate drainage, irrigation and water releases.
From senior leaders to frontline personnel operating pumps and sluice gates, everyone must understand the overall plan, decision-making authority and reporting lines. Clear protocols and delegated authority should allow trained teams to act promptly within defined boundaries, without conflicting instructions or unnecessary delays.
The objective is to combine strategic coordination at the top with competent, timely action on the ground.
Thailand's water expertise is distributed across government agencies, local authorities, universities and communities. Local practitioners often know how water behaves in their areas, where bottlenecks occur and which solutions work in practice.
This local knowledge is a form of national infrastructure. Yet it cannot remain with a handful of experienced individuals or be confined within separate organisations.
Thailand needs systematic capacity building and knowledge management: documenting lessons from floods and droughts, transferring expertise between generations, developing practical operating manuals, leveraging AI and simulation systems to support decision-making, and conducting regular joint training, simulations and emergency rehearsals across agencies.
People must understand not only what to do, but why an action is necessary, how it affects other areas and when changing conditions require a different response.
Digital maps, shared databases, real-time monitoring and AI can support these efforts. But technology delivers value only when embedded in everyday operations and used by people who understand local conditions.
The goal is to turn individual experience into institutional capability, enabling the system to learn and perform consistently even as personnel and leadership change.
Area-based water management offers a practical way to bring government agencies, businesses, universities, farmers and communities together around a specific basin or watershed.
A public-private-people partnership approach can align expertise, investment and local knowledge around shared outcomes. The purpose is not to create another committee, but to establish a working system with clear responsibilities, shared information and agreed procedures.
Each basin can become a learning environment in which stakeholders test solutions, improve coordination and develop the capabilities needed to sustain progress. Successful practices can then be adapted to other areas, taking into account differences in geography and economic conditions.
The process is continuous: understand, plan, act, learn, improve and scale.
Reliable water management underpins agriculture, industry, communities and long-term investment. Better management can reduce losses from floods and droughts, improve the value of existing infrastructure and strengthen Thailand's economic competitiveness.
The fundamental question, therefore, should change from "How much must Thailand spend to solve its water problem?" to "What value can Thailand create by becoming exceptionally good at managing water?"
Thailand can begin where the need is clear, and stakeholders are ready. Bring the right people together. Clarify responsibilities. Connect information. Establish operating procedures. Train personnel. Then learn from implementation and improve continuously.
The next step is to invest equally seriously in the governance, knowledge and professional capabilities that make it work.
Thailand's water opportunity lies in building a system that understands water, coordinates decisions across institutions and empowers capable people to act when it matters most.
That is how water management can become a lasting foundation for national development -- one basin, one community and one capable team at a time.
Chana Poomee is Honorary President of the Thai Cement Manufacturers Association, President of the Asean Federation of Cement Manufacturers and a Board Member of the Global Cement and Concrete Association.