Water and hydrological coercion

Water and hydrological coercion is the threatened or actual use of control over water infrastructure, allocation or information to compel, punish or degrade another actor. It is a form of Economic statecraft only where a state decision and coercive purpose are evidenced. Hydrological scarcity, drought, flood damage, military destruction and an upstream operational choice can produce similar downstream effects without being the same act.

Mechanism and proof

Leverage can arise from a dam, diversion structure, reservoir data, treaty procedure or upstream position. It may affect irrigation, electricity, drinking water, food production and industrial supply. The vulnerability resembles Commodity weaponisation and Food weaponisation (food security as leverage), while geography can create a Chokepoint effect. Physical control alone does not prove intent.

A defensible claim separates six questions: the legal entitlement, the operator's physical capacity, actual flow and storage, rainfall or snow conditions, the government's decision, and the purpose attributed to that decision. A change in downstream flow may follow seasonal hydrology, maintenance, conflict damage or deliberate withholding. Quantities require a date, unit, measurement point and issuing body.

Indus Waters Treaty

The 1960 Indus Waters Treaty allocates waters and establishes procedures involving India, Pakistan and the World Bank. After the April 2025 Pahalgam attack, India stated that the treaty would be held in abeyance. Pakistan rejected that position. As at 30 July 2026, the abeyance claim and its legal consequences remained contested, while treaty-related proceedings also continued through established dispute mechanisms. India's official position, Pakistan's opposing position, World Bank functions and arbitral rulings must be attributed separately.

The policy signal can itself exert Economic coercion by creating uncertainty over future cooperation. It should not be described as proved physical withholding without dated flow evidence. Nor should a legal dispute be collapsed into dam operation or military damage. Analysis should identify the precise project, river, authority and observed consequence before claiming compellence or effectiveness.

Sources

• Indus Waters Treaty text, 19 September 1960.
• India Ministry of External Affairs briefing, accessed 30 July 2026.
• World Bank Indus Waters Treaty fact sheet, accessed 30 July 2026.
• Permanent Court of Arbitration, Indus Waters Treaty proceedings, accessed 30 July 2026.