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Dams

Major dams and the reservoirs they impound.

4 records
Grand Ethiopian Renaissance Dam

The largest hydroelectric scheme in Africa, on the Blue Nile, and the most consequential current transboundary water dispute in the world.

Three Gorges Dam

The largest power station in the world by installed capacity, and one of the largest engineering interventions ever made in a major river.

Aswan High Dam

Gave Egypt multi-year storage on the Nile, ending the annual flood and the silt deposition that had sustained Egyptian agriculture for millennia.

Hoover Dam

The dam that created Lake Mead and made large-scale settlement and irrigation of the American south west possible.

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Hydrionis is an evidence-led water intelligence resource. Every figure carries its source, its method and its licence. Where Hydrionis does not hold a value, it says so rather than estimating one.

Hydrionis presents scientific and regulatory information for general reference. It is not medical, legal or engineering advice. Drinking water standards are jurisdictional: a limit applies only where it was made. For a concern about the water at your own property, contact your water supplier or the relevant regulator.

Data is drawn from public and open sources under their respective licences. Contains public sector information licensed under the Open Government Licence v3.0. Contains modified Copernicus service information. Country outlines derived from Natural Earth (public domain).

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