Pakistan is no longer approaching a water crisis; it is already living through one. Rapid population growth, climate change, inefficient irrigation, falling groundwater levels and weak water governance are putting growing pressure on the country’s water resources. Pakistan’s stored water has been described as enough for only about 30 days, far below the 120-day benchmark often cited in water-security discussions.
For decades, Pakistan’s response has largely centred on major dams. Tarbela and Mangla have played a vital role in irrigation and power generation, while projects such as Diamer-Bhasha and Mohmand remain important. But large dams are costly, slow to build, require constant maintenance and gradually lose storage capacity. Pakistan needs them, but it should not depend on them alone.
Climate change is making the challenge harder. Pakistan can face destructive floods in one season and serious shortages in another. The real issue is therefore not simply how much water the country receives, but how much it can capture, store, recharge and reuse.
Agriculture must be at the centre of reform. Pakistan still relies heavily on traditional irrigation, while ageing canals and inefficient water use create large losses. Excessive groundwater pumping adds another layer of risk. Drip and sprinkler irrigation, canal rehabilitation, better water measurement and smarter crop choices can help reduce pressure on limited supplies.
Pakistan’s water challenge is also a governance and demand-management challenge. Reliable measurement of canal flows and groundwater extraction is essential for better planning and accountability. Agricultural policy should encourage crop patterns suited to local water availability, while carefully designed water-pricing and conservation incentives can discourage waste without burdening small farmers. Stronger coordination, transparent data and support for efficient irrigation can help ensure that limited water resources are used where they generate the greatest economic and social value.
Pakistan should also restore and protect its natural water-management systems. The Indus Delta’s mangroves, wetlands and tidal channels provide an important natural buffer along Sindh’s coast. Mangroves are not reservoirs in the traditional sense, but they help slow water, trap sediment, reduce erosion and protect coastal areas from sea intrusion and storms. The wider Indus Delta has suffered serious environmental degradation, weakening many of these natural services. Restoring mangroves and wetlands should therefore be seen as part of water security, not simply as an environmental programme.
Punjab has already shown how rainwater can be treated as a resource rather than waste. Lahore has developed underground tanks to capture monsoon runoff, and Punjab has now approved a wider programme involving 358 underground water-storage tanks. The plan includes recharge wells to help restore groundwater and reuse of treated stored water for irrigation. This is a practical idea worth expanding: capture rain where it falls, reduce urban flooding, recharge aquifers and reuse water for parks, plantations and other non-drinking purposes.
Flood management must also become part of water management. Instead of viewing every large volume of rainwater only as a disaster, Pakistan should capture part of it where technically and environmentally suitable. Small and medium reservoirs, recharge basins, wetlands, urban storage tanks and in-stream storage can all play a role.
Urban planning is equally important. Construction on riverbeds and floodplains increases the damage caused by floods. Cities must protect natural drainage routes and invest in rainwater harvesting, wastewater treatment and recycling. Freshwater should not be used where treated wastewater or harvested rainwater can do the job.
Pakistan should also study and manage its underground aquifers more seriously. These reserves can support future water security, but only if extraction is scientifically controlled and groundwater is regularly recharged.
Other countries show that water security rarely depends on one solution. Singapore combines rainwater capture, recycled water and desalination, while several water-scarce countries have invested heavily in efficient irrigation and wastewater reuse. Pakistan does not need to copy one model; it needs to select solutions that fit its own geography, economy and communities.
Iran offers a warning worth noting. Its severe water crisis has been driven not only by drought and climate change but also by years of poor water management, excessive groundwater use, inefficient farming and problematic water-development policies. Today, wider economic and geopolitical pressures make these long-standing problems even harder to address. Pakistan should learn from this experience before water stress develops into a much deeper national emergency.
The way forward is not “dams versus no dams.” Pakistan needs a balanced water strategy: major reservoirs where justified, smaller storage systems, aquifer recharge, efficient irrigation, urban rainwater harvesting, wastewater reuse, flood management, and restoration of mangroves and wetlands. Water should be treated as one connected national resource. The earlier Pakistan learns to capture, conserve and reuse it, the stronger and more secure its future will be.
—The author is former technocrat and institutional development expert.
