Every confrontation between India and Pakistan for the past twenty-five years has followed one script. Militants carry out an attack on Indian-administered soil. India blames Pakistan. Pakistan denies it. India launches a limited strike, Pakistan strikes back, and within days a ceasefire is arranged, usually after a phone call from Washington or a Gulf capital. This is what happened after the Uri attack in 2016, after Pulwama in 2019, and after Pahalgam in 2025. The script is so familiar it has come to feel like the natural shape of an India-Pakistan crisis.
It is worth asking why that script always stopped short of full war. The answer is that every one of these crises contained a built-in exit. Two features made the exit possible. First, the triggering event was over quickly. A bomb goes off, and then it is in the past, which means the clock is always running toward calm rather than away from it. Second, Pakistan could always deny involvement, and that denial, however implausible, gave both governments room to step back and each claim victory at home. These two features, the bounded event and the deniable hand, were the release valves. They are the reason two nuclear-armed states could trade blows for forty years without ever reaching the point of no return. That restraint was not good fortune. It was built into the structure of the crisis itself.
Why a River Has No Off-Ramp
Water removes both release valves at once, and this is the heart of the argument. A river is not an event. It is a permanent condition. You cannot agree a ceasefire over a river the way you can stop trading air strikes, because the river is there every single day, and so is the dispute over it. A dam, likewise, cannot be denied. It stands in the open, it is photographed by satellites, and everyone knows exactly who built it and what it does. So, when a conflict is about water, neither side has a quick exit, and neither side has a face-saving denial. The dispute cannot be paused and cannot be walked back. In plain terms, a water conflict has no off-ramp. This changes what kind of thing the conflict is. A terrorist attack is a single spark that flares and dies. Control of a river is a standing threat that never goes away. One can trigger a war and then pass. The other becomes a permanent reason for war that cannot be resolved, denied, or ceasefire. This is not a prediction that war is imminent. It is an argument that if war comes, water will make it far harder to stop, and that the conditions for such a war are assembling over the coming decade.
To see how old this logic is, it helps to go back nearly two and a half thousand years. In his history of the war between Athens and Sparta, the Greek writer Thucydides describes the moment the powerful city of Athens confronted the small island of Melos. The Athenians told the Melians plainly that talk of justice only matters between equals in strength, and that in the real world the strong do what they have the power to do while the weak accept what they have no power to refuse (Thucydides, 1972, 5.89).
The Melians appealed to fairness, to neutrality, to their rights. Athens ignored all of it, besieged the island, killed the men, and enslaved the rest.
The lesson has echoed through political thought ever since. When law and power come apart, law loses. This is precisely the situation the Indus dispute has revealed. Pakistan appeals to a signed treaty, to an international court, to the principles of international law. India sits upstream. In water terms it is the ‘upper riparian’, the country that physically controls the source before the water ever reaches its neighbour. India can therefore answer Pakistan’s legal arguments not with counterarguments but with the simple fact of control. For sixty years the Indus Waters Treaty (IWT) of 1960 held that raw power in check, because it turned an unequal physical situation into an equal legal one (World Bank 1960). Remove the treaty, and the Melian logic returns. The weaker party is left holding legal documents while the stronger party holds the water. That is the transformation this article is about.
The Optimists and Their Missing Condition
Against this pessimistic reading stands a serious and respected body of scholarship, and it deserves a fair hearing. The geographer Aaron Wolf studied water treaties going back almost five thousand years and reached a reassuring conclusion. Countries, he found, do not generally fight wars over water. War over water makes no strategic or economic sense, and shared rivers tend to push even bitter enemies toward cooperation, because both sides need the water to keep flowing (Wolf 1998). Better still, once two countries sign a water treaty, that treaty tends to survive even when everything else in the relationship collapses. The Indus treaty is his star example. It held through three wars, and India kept making its treaty payments to Pakistan even while the two armies were fighting (Wolf 1998). The recent Chatham House analysis of the current crisis rests squarely on this tradition, arguing that shared vulnerability should draw the two countries back to the table (Bharadwaj and Mosello 2026).
But Wolf added a condition that is easy to miss and that turns out to be decisive. The problem, he said, is never the dam by itself. It is “the dam in the absence of an agreement about how to mitigate the impacts of the dam” (Wolf 2018).
As long as the agreement exists, the water stays peaceful. Take the agreement away, and the protection goes with it.
This is what India has done by suspending the treaty. Whatever the precise legal status of the word abeyance, and India insists it is suspension rather than cancellation, its practical effect is to remove the functioning agreement that Wolf identified as the thing keeping the peace. So even by the optimists’ own reasoning, the safety catch has been released, and the case slips into the opposite world, the one where control over a scarce and vital resource leads not to bargaining but to escalation.
Why should that escalation be more dangerous than the old terrorism cycle? The reason lies in how deterrence works. Deterrence is the threat of a response painful enough to stop an enemy acting. It works well against a single clear act, because you can promise a matching blow in return. If India strikes, Pakistan can threaten to strike back, and the two threats hold each other in balance. But you cannot deter a reservoir. There is no matching blow to threaten against a dam that is slowly being built and filled over years. There is no single act of aggression to punish, no moment to hit back at, no target whose destruction gives Pakistan its water again. The ordinary, lower-level military responses that both sides have relied on for decades simply do not apply. And when the small responses are unavailable, the only threats left that carry any weight are the big ones. A country with no way to answer a slow squeeze at the low level is pushed toward answering it at the highest level it has.
For Pakistan, the highest level is nuclear, and this is where the water question becomes genuinely alarming. Pakistan has never hidden the circumstances in which it would consider nuclear weapons. Its officials have described a set of red lines, and two of them are not military at all. One is economic strangulation, and one is the threat of the country coming apart from within (Kidwai, as cited in Narang 2014). A sustained cut to the water supply threatens both at once, because water is the foundation of Pakistan’s farming, its economy, and its social stability. Pakistan’s nuclear posture is already built to reach for the weapon early when facing a stronger conventional enemy, precisely because it cannot match India army for army (Narang 2014). Water pressure therefore points straight at the most dangerous rung on the ladder, and it does so more directly than any terrorist attack ever could. The comforting idea that both countries depend on the same rivers, and so neither would dare disrupt them, misunderstands the problem. Shared dependence discourages a single dramatic act of sabotage. It does nothing to discourage a slow, quiet squeeze, because the country doing the squeezing loses nothing by taking its time.
The Tap and the Fracture
The exits that contained every past crisis are now closing one by one, and the recent record shows it happening in real time. The routine channel for managing the rivers, a standing body called the Permanent Indus Commission where the two countries’ water officials meet, has not convened since 2022. The legal channel is closing too. Pakistan took its case to an international arbitration court and, in May 2026, secured a ruling it described as confirming limits on India’s control of the flow. India rejected the court’s authority outright, which leaves Pakistan holding a legal victory that changes nothing on the ground. The diplomatic channel is blocked as well. When Pakistan hosted an international conference in June 2026, and its foreign minister warned that diverting the rivers would be treated as an act of war, India’s reply was a single flat statement that its position had not changed. Meanwhile, Pakistan’s generals and its defence minister have begun speaking openly about war over water. Every door that once let a crisis cool is being shut, and each closure leaves fewer options than the last.
There is an honest objection to all of this, and it must be met rather than dodged. India cannot actually turn off Pakistan’s water today. It does not yet have the dams and canals needed to hold back rivers of that size. This is true. But it misses where the danger lies. The threat is not that India stops the water tomorrow. The threat is twofold and slower. First, India does not need to stop the water to cause harm. It only needs to control the timing, and there is already reason to fear it can. Water released without warning during the monsoon can flood farmland at the worst possible moment in the planting season, and water withheld during the dry sowing months can wither a crop before it starts. Second, India is steadily building the very capacity it currently lacks, through new projects designed to divert and store the western rivers, among them a proposed link tunnel intended to transfer water out of the Chenab. Intention is running ahead of ability, and construction is closing the gap. Layered on top of this is the fact that the Chatham House study rightly stresses that the water itself is shrinking, with the snow and ice that feed these rivers declining sharply as the climate warms (Bharadwaj and Mosello 2026). A shrinking resource does not gently encourage sharing. It sharpens the fight over what remains (Homer-Dixon 1999). The most dangerous moment is not now. It arrives when the intention to squeeze meets the physical means to do it.
The final and least understood danger is not about armies at all. It is about what water can do to a country from the inside. The French thinker Michel Foucault argued that the deepest form of modern power is not the old power of a king to execute a subject, but a quieter power over life itself, over whether whole populations flourish or wither. He summed it up as the power to make live and to let die (Foucault 2003, pp. 239–241). Control over the Indus is that power in its most literal form. It is a hand resting on the drinking water, the crops, and the sanitation of 240 million people. This is why the water weapon cuts inward as much as outward. A terrorist attack pulls Pakistanis together against a common enemy. A water shortage pushes them apart. As the supply tightens, the provinces of Pakistan, which already argue over how to divide the rivers among themselves, will argue harder. Poverty deepens, regional resentments sharpen, and the institutions meant to keep the peace between provinces come under strain. This is the well-documented path by which scarcity turns into internal violence (Homer-Dixon 1999). It is not hypothetical. The risk of internal conflict over water was raised openly at a government briefing in Islamabad in July 2026, with the provinces named as the fault lines. This is the quiet genius of the water weapon from an aggressor’s point of view. India would not need to win a war. It would only need to hold the tap and let Pakistan strain against itself.
The Indus Waters Treaty survived three wars because it was kept separate from them. It was the one thing the two countries agreed to leave alone, and that separation was its strength. What is new, and what should worry anyone thinking about the next decade in South Asia, is that water is no longer being kept separate. It has moved from the edge of the conflict to its centre. The river is no longer the thing held apart from the quarrel. The river has become the quarrel itself.
See also: Moazam Jahangir, “The Crisis Brokers of a Fragmented World Order”, GSSI, 25 April 2026.
See also: Moazam Jahangir, “Narrative Wars and the Verdict Set in Advance”, GSSI, 31 May 2026.
References
Bharadwaj, B. and Mosello, B. (2026) India and Pakistan still cannot agree to restore the Indus Waters Treaty, but re-engagement could help bring lasting peace. Chatham House Expert Comment, 17 April. London: Royal Institute of International Affairs.
Foucault, M. (2003) Society Must Be Defended: Lectures at the Collège de France, 1975-1976. Translated by D. Macey. Edited by M. Bertani and A. Fontana. New York: Picador.
Homer-Dixon, T.F. (1999) Environment, Scarcity, and Violence. Princeton: Princeton University Press.
Narang, V. (2014) Nuclear Strategy in the Modern Era: Regional Powers and International Conflict. Princeton: Princeton University Press.
Thucydides (1972) History of the Peloponnesian War. Translated by R. Warner. Harmondsworth: Penguin.
Wolf, A.T. (1998) ‘Conflict and cooperation along international waterways’, Water Policy, 1(2), pp. 251–265.
Wolf, A.T. (1999) ‘”Water Wars” and Water Reality: Conflict and Cooperation Along International Waterways’, in Lonergan, S.C. (ed.) Environmental Change, Adaptation, and Security. Dordrecht: Springer.
Wolf, A.T. (2018) Interview on transboundary water conflict and cooperation, New Security Beat, Wilson Center, 30 November. Available at: newsecuritybeat.org (Accessed: [add date]).
World Bank (1960) The Indus Waters Treaty 1960. Karachi, 19 September. Washington, DC: International Bank for Reconstruction and Development.
