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Tabqa Dam

Dam and hydroelectric scheme, Lake Assad reservoir 14.1 km3 with a surface area of 674 km2; installed power not established in Syria.

Operational

Landmark Lake Assad holds 14 km3 behind it, and filling it in 1975 cut the Euphrates reaching Iraq by a quarter.

The record

Country
Syria
Location
Tabqa
Coordinates
35.874, 38.568
Technology
Dam and hydroelectric scheme
Capacity
Lake Assad reservoir 14.1 km3 with a surface area of 674 km2; installed power not established
Capital cost
—
Stage
Operational
Owner or client
—
Contractor
—
Operator
—
Finance
—
Award or start year
1973
Commissioned
1975

Record last checked 2026-09-18.

History

Sources

8 references

Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.

  1. FAO AQUASTAT, Country profile Syrian Arab Republic, version 2008. openknowledge.fao.org.
  2. The largest dam is the Al Tabka dam near Ar Raqqah on the Euphrates, forming Al Assad Lake with a storage capacity of 14.1 km3 and a surface area of 674 km2; Syria constructed the Tabqa Dam in 1973 and filled it in 1975, and the filling cut the quantity of water entering Iraq by 25 percent.
  3. ESCWA and BGR, Inventory of Shared Water Resources in Western Asia, Chapter 1, Euphrates River Basin (2013). waterinventory.org.
  4. Table 3 gives Syria, Tabqa, 1975, 14,000 million m3, for hydropower and irrigation, also called the Euphrates Dam or the Revolution Dam and considered the largest earth-fill dam in the world.
  5. World Bank, Syria Emergency Water Security and Resilient Services Project (P515199), Project Information Document (19 Mar 2026). documents1.worldbank.org.
  6. The Water Resources Commission oversees national water resources apart from the Euphrates, which falls under the General Organization of Euphrates Dam.
  7. Al Jazeera, Syria announces ceasefire agreement with Kurd-led SDF after heavy fighting (18 Jan 2026). aljazeera.com.
  8. MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.

Reports the seizure of Tabqa and its adjacent dam. Installed power is left out: no UN or institutional source opened gives a megawatt figure, and the two figures in circulation, 880 MW and 824 MW, could not be reconciled. Coordinates from OpenStreetMap. Control has changed hands and current generation was not established.