Technology
Desalination and water-infrastructure technology
Desalination and water-infrastructure technology converts seawater or brackish water into freshwater and moves it through storage and distribution networks. Reverse osmosis and thermal processes have different energy, chemical and maintenance requirements. Where a system relies heavily on a few plants, disruption can create strategic risk. Desalination itself is civilian infrastructure, not inherently an instrument of statecraft.
Dependencies
A plant depends on intake works, pumps, electricity or heat, membranes or thermal units, treatment chemicals, skilled maintenance and control systems. Distribution, storage and emergency interconnection determine whether loss of one facility becomes a wider shortage. Capacity figures must specify whether they describe installed, contracted or operating output, and dependence claims must identify geography, demand and alternative supply.
Energy creates an important coupling. Reverse-osmosis plants consume electricity; thermal plants may be integrated with power generation. Grid failure, fuel interruption or damage to common infrastructure can therefore affect water production without an attack on the plant itself. Spare-parts, membrane and chemical restrictions present slower pathways.
Strategic boundary
Possible coercive pathways include physical attack, cyber disruption, electricity denial, financing restrictions and export controls on specialised equipment. Each requires separate evidence of actor, intent, authority and effect. A vulnerability assessment does not show that a state has used the vulnerability.
Water infrastructure also receives protection under international humanitarian law. The International Committee of the Red Cross formulates Customary Rule 54 as a prohibition on attacking, destroying, removing or rendering useless objects indispensable to civilian survival. The customary formulation does not carry the specific-purpose qualifier found in some treaty provisions. Conflict classification, the applicable treaty rules and other targeting, proportionality and precaution rules still require separate analysis. The protection is not captured by a blanket statement that every water facility is immune in every circumstance.
The World Bank treats desalination governance, finance, regulation and environmental performance as development questions, while the International Energy Agency tracks the energy demand of desalination. CISA and EPA cybersecurity resources address a different risk layer in United States water systems. These sources support analysis of dependency and resilience, not an inference of a documented campaign of Water and hydrological coercion.
See also
Water and hydrological coercion · Chokepoint effect · Electricity grids and cross-border interconnectors · Offensive cyber tools against financial infrastructure
Sources
- World Bank, *Governance and Economics of Desalination and Reuse* (accessed 30 July 2026).
- International Energy Agency, energy demand for desalination in the Stated Policies Scenario, 1990 to 2030 (accessed 30 July 2026).
- International Committee of the Red Cross, Customary IHL Rule 54 (accessed 30 July 2026).
- Cybersecurity and Infrastructure Security Agency, CISA and EPA water-sector cybersecurity resources (accessed 30 July 2026).
Recommended citation
Cite this entry
Tennant, James J., ed. 'Desalination and water-infrastructure technology.' The Encyclopedia of Economic Statecraft, version 2.0, last reviewed 30 July 2026. https://jamesjtennant.com/entries/desalination-and-water-infrastructure-technology/.
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