Lake Sevan


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The Lake Sevan Basin is part of / comprises: · Asia & Pacific · Caucasus · Europe & CIS · Western Asia ·
Countries sharing the Lake Sevan Basin: · Armenia ·
Facts & Figures edit
Catchment AreaA n/a km3
Neighbouring BasinsA n/a
PopulationA n/a
Population DensityA n/a /km2
DischargeA n/a km3/yr
Surface Area m3
Average Depth m
Water Volume m2
Water Stress n/a m3/person/year
Average Precipitation mm/yr
Evaporation mm/yr
Runoff n/a mm/yr
Land Use
Irrigated Area n/a km2
Irrigable Area n/a km2
No. of DamsA n/a
Dam Density n/a dams/km2
Total Water Withdrawals km3
  For Agricultural Use
  For Domestic Use
  For Industrial Use
Renewable Water Available (m3/yr/pers)
References & Remarks
A Transboundary Freshwater Spatial Database, Oregon University

> Articles | Projects & Case studies | Publications & Web resources | Who is who | Maps

Latest 4 maps for / including Lake Sevan (more..):



Water Basin Profile: Physical and Hydrological Characteristics

Lake Sevan—”The Heart of Armenia”—is one of the world’s largest alpine lakes. Located in the Minor Caucasus Mountains of Armenia, the lake has a central hydrological role in the country. The lake’s waters and the basin’s natural resources are considered to be the development pillars of the Armenian economy, providing a number of direct and indirect benefits. The lake’s watershed basin comprises one-sixth of Armenia’s total area, and it constitutes the primary water resource of the country, giving it both geographic and politically strategic importance. The waters of the lake provide a significant amount of hydropower and irrigation to the croplands in the Ararat Valley. The lake also provides habitat for fish and shellfish, nursery zones for many aquatic and amphibian species, and a resting place for numerous migratory birds. In addition to considerable tourism activities, the lake has been important as a cultural focus for the people of Armenia over many centuries, and a motivating feature of the nation’s history, poetry, and music.

Water Basin Profile: Socio-Economic and Environmental Issues

In the 1930s, a series of management decisions were taken by the Soviet Government which caused destabilization of Lake Sevan’s hydrology and ecology. The original plan called for reducing the lake's surface area, thereby reducing loss of water by evaporation and increasing the amount of water that could be taken each year. Thus water was taken from the lake for irrigation at rates substantially greater than the natural inflow, decreasing volume by 41 percent and lowering the water level by 19 meters over a period of approximately forty years.

In 1962, when the lake’s surface receded below 1,900 meters above sea level (asl) for the first time, algae blooms and oxygen depletion were noted, generating concerns about increasing rates of eutrophication. Soon, significant declines in the lake’s fishery harvest, constituting almost one-half of the nation’s entire supply, were noticed. Finally, it also became apparent that the lake’s capacity to provide a reserve for hydropower production and irrigation, as well as possible drinking water, was seriously threatened.

Water Basin Profile: Transboundary Political and Institutional Setting

Lake Sevan Action Plan

A number of attempts have been made since the 1950s to increase the water level of Lake Sevan, with only limited results. In 1996, the Government of Armenia initiated the development of an Action Plan that would provide a framework for integrated management and a phased restoration of Lake Sevan. The preparation of the Action Plan was financed with a grant from the World Bank’s Institutional Development Fund (IDF), support from the Food and Agricultural Organization (FAO) and grants from the Governments of Finland, the Netherlands, Sweden and Switzerland.

Water Basin Profile: Emerging Challenges and Opportunities for the Future


Recently updated articles on Lake Sevan
  1. Lake Sevan/articles ‎(1,063 views) . . WikiBot
  2. Lake Sevan/projects ‎(960 views) . . WikiBot
  3. Lake Sevan/publications ‎(853 views) . . WikiBot
  4. Lake Sevan/who is who ‎(1,066 views) . . WikiBot
  5. Lake Sevan/Maps ‎(715 views) . . WikiBot
  6. Image:Lake Sevan.gif ‎(1,673 views) . . Katy.norman
  7. Lake Sevan/maps ‎(3,190 views) . . Katy.norman

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Projects and Case Studies

Projects in or about Lake Sevan

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5 most recently updated publications on Lake Sevan

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Who is Who

People working in Lake Sevan

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Organizations working in Lake Sevan

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See also

Armenia - New Water Code, National Water Policy and National Water Program

Closed (non-UNDP) Projects in Armenia

Reports and References around Water Governance in Armenia

External Resources

The Lake Sevan Action Plan can be found here


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