Hard Power · Strategic Infrastructure · Water, Sanitation & Waste Infrastructure

Dams, Reservoirs & Flood Defence

Dams, reservoirs and flood defence covers large water control and storage structures, including dams, barrages, raw-water reservoirs, levees, sea walls and urban stormwater systems.

Developments: 304c. 2000 BCE to July 2026
With medium: 369121 very high
Nations: 90
Unverified: 2522 verified

Timeline

Every development graded as belonging to this capability, wherever it is kept: very high (about it), high (directly and substantially changes it), medium (a direct, material effect on it). A model gave the grades, reading each entry against the framework. A structured starting point, not a cited record. An entry marked unverified has not been checked against a source; tiers are assigned by a model and are not comparable between nation and capability timelines.

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