WATER scarcity and climate change have emerged as two of the greatest threats to Pakistan’s food security. The challenge is not simply a shortage of water; it is the combined impact of rapid population growth, inefficient irrigation, groundwater depletion, changing rainfall patterns, floods, droughts, heatwaves and weak water governance. Agriculture consumes nearly all of Pakistan’s available freshwater, while groundwater is being extracted at unsustainable rates in many farming regions. Unless these trends are reversed, per capita water availability will continue to decline as the country’s population keeps growing.
For an economy heavily dependent on agriculture, water is far more than an environmental issue. It is fundamental to economic growth, social stability and national security. Ironically, Pakistan experiences both water abundance and water scarcity. During the monsoon season, enormous quantities of water arrive in the form of destructive floods that damage crops, livestock, homes and infrastructure. Yet, when farmers need water most for sowing and harvesting, they frequently face severe shortages. Reduced irrigation directly affects the production of wheat, rice, cotton, maize, sugarcane, fruit and vegetable, leading to lower farm incomes, food inflation and greater dependence on imports.
The latest Food and Agriculture Organization (FAO) assessments illustrate this vulnerability. While acute food insecurity improved between April and July 2025 because of favourable agricultural conditions, wheat flour prices remained close to record high in January 2026. This demonstrates that food security cannot be measured merely by the quantity of wheat or rice produced in a particular year. It must also be assessed in terms of affordability, nutrition, climate resilience and the long-term sustainability of water resources.
Pakistan is not alone in confronting these challenges. India and Bangladesh are also struggling with water stress and climate change. According to the World Bank, India has around 18 per cent of the world’s population but only about 4 per cent of its freshwater resources. Agriculture consumes nearly 80 to 90 per cent of India’s water, while declining groundwater levels have become a major concern. In response, India has invested heavily in irrigation modernisation, micro-irrigation, digital water management and climate-resilient agriculture. Although Pakistan’s circumstances differ, these experiences show that efficient management, rather than water availability alone, determines long-term water security.
Pakistan, therefore, needs a comprehensive national programme to reduce water losses from source to field. Every litre of water wasted in homes, industries or agriculture today increases the risk of food insecurity tomorrow. Water conservation must become a national priority rather than merely an agricultural concern.
The Indus Basin Irrigation System remains the backbone of Pakistan’s agriculture. In 2025, India announced that it was placing the Indus Waters Treaty (IWT) in abeyance, while Pakistan maintains that the Treaty remains legally binding and contains no provision for unilateral suspension. The dispute continues in 2026 and understandably raises concerns about Pakistan’s future water security.
However, the suspension of the Treaty represents only one part of Pakistan’s broader water challenge. The country is already grappling with rapid population growth, inefficient flood irrigation, inadequate water storage, groundwater depletion, climate change-induced extreme weather, poor watershed management and weak governance. These structural weaknesses existed long before the present dispute. Therefore, while Pakistan must continue to defend its water rights under the Treaty through international legal and diplomatic channels, it cannot rely solely on the IWT to secure its future food supply.
India’s decision undoubtedly creates strategic uncertainty and may increase future risks if upstream water management changes. Nevertheless, the greater long-term threat to Pakistan’s food security lies in the combination of external pressures and domestic inefficiencies. A country that wastes large quantities of water cannot depend exclusively on international agreements to guarantee its future.
Pakistan’s national strategy should be built around one simple principle: “More Crop per Drop, More Food per Acre and Zero Waste of Water.” This requires a coordinated approach involving governments, farmers, industries and urban consumers. The first priority is to modernise irrigation through drip irrigation, sprinkler systems and laser land levelling to improve water-use efficiency. The second is to regulate groundwater extraction while launching nationwide aquifer recharge programmes to restore depleted underground reserves. The third is to capture rainwater and floodwater through small dams, ponds and recharge systems instead of allowing billions of cubic metres of freshwater to flow unused into the sea. The fourth is to reduce post-harvest losses through improved storage, cold chains and food processing. Finally, Pakistan should establish an independent, data-driven National Water and Food Security Framework capable of coordinating policies across provinces and institutions.
Climate change further strengthens the urgency of these reforms. Rising temperatures, erratic rainfall and more frequent floods and droughts are already affecting crop productivity. Pakistan urgently needs climate-resilient seeds, weather-based agricultural advisory services, modern early warning systems and expanded crop insurance to help farmers adapt to changing climatic conditions.
Urban Pakistan must also become part of the solution. Cities lose substantial amounts of treated water through leaking distribution networks, while excessive household consumption remains largely unregulated. Repairing municipal infrastructure, introducing water metering and encouraging rainwater harvesting in residential and commercial buildings can significantly reduce unnecessary losses.
Pakistan’s water crisis cannot be solved by building one mega dam or announcing another agricultural policy. It demands an integrated Water-to-Food Security Strategy that links water conservation, agricultural productivity, climate adaptation and food security. Every litre of water should produce more food, every feasible drop of rainwater should be harvested, groundwater must be protected and post-harvest losses minimised.
The choices Pakistan makes today will determine whether future generations inherit water security or water scarcity. By combining sound governance, modern technology, climate resilience and efficient resource management, Pakistan can transform its water challenge into an opportunity for sustainable agricultural growth. In the years ahead, every drop of water will matter and every drop must count.
—The writer is former Add Secretary, National Food Security & Research, based in Lahore.
