{"id":30536,"date":"2026-09-01T10:16:49","date_gmt":"2026-09-01T04:46:49","guid":{"rendered":"https:\/\/vajiramandravi.com\/upsc-exam\/?p=30536"},"modified":"2026-10-05T17:36:24","modified_gmt":"2026-10-05T12:06:24","slug":"lakes-of-india","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/upsc-exam\/lakes-of-india\/","title":{"rendered":"Lakes of India, Formation, Map, Major Lakes, Important Facts"},"content":{"rendered":"

Lakes of India represent diverse natural and human-made water bodies shaped by geological, climatic, fluvial and ecological processes across the country's varied physiographic regions. India\u2019s lake systems range from Himalayan high-altitude lakes and glacial waters to coastal lagoons, oxbow lakes, saline lakes, reservoirs and urban water bodies.<\/span><\/p>\r\n

The National Water Data Portal of the National Water Informatics Centre provides state-wise spatial data on surface water bodies larger than <\/span>0.1 hectare<\/b>, with boundaries derived from satellite imagery. India\u2019s lakes support freshwater resources, biodiversity, agriculture, fisheries, tourism and local livelihoods, while several have received international recognition under the Ramsar Convention.<\/span><\/p>\r\n

Lakes Meaning<\/span><\/h2>\r\n

A lake is a relatively large inland body of standing water occupying a depression or basin, generally separated from the sea, although some coastal water bodies may have restricted connections with marine waters.<\/span><\/p>\r\n

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  • Lakes may be natural or artificial, permanent or seasonal, and differ greatly in their size, depth, water chemistry, origin and ecological characteristics. Some receive water from rivers, rainfall, glaciers and springs, while others lose water through rivers, groundwater seepage or evaporation.<\/span><\/li>\r\n\t
  • High-altitude water bodies can contain fresh, brackish or saline water and may be either static or connected with inflowing and outflowing streams.<\/span><\/li>\r\n<\/ul>\r\n

    Lakes of India Formation<\/span><\/h2>\r\n

    Lake formation in India occurs through geological, glacial, riverine, coastal, volcanic and human processes, creating water bodies with different shapes, depths, chemistry and ecological characteristics. Major lake-forming processes include:<\/span><\/p>\r\n

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    • Glacial activity:<\/b> Glacial erosion and subsequent melting can create or fill depressions, producing high-altitude lakes.<\/span><\/li>\r\n\t
    • Tectonic movements:<\/b> Faulting, subsidence and crustal deformation can create basins that accumulate water.<\/span><\/li>\r\n\t
    • River meandering:<\/b> A meander can become isolated from a river channel and develop into an oxbow lake.<\/span><\/li>\r\n\t
    • Coastal processes:<\/b> Sandbars, spits and coastal sedimentation can isolate shallow coastal water bodies from the sea.<\/span><\/li>\r\n\t
    • Volcanic and impact processes: <\/b>Volcanic craters and calderas may become water-filled, while meteorite impacts can independently create crater lakes such as Lonar Lake.<\/span><\/li>\r\n\t
    • Landslides:<\/b> Landslides can block river valleys and create temporary or permanent lakes.<\/span><\/li>\r\n\t
    • Glacial moraine deposition:<\/b> Moraines can obstruct drainage and form glacial lakes.<\/span><\/li>\r\n\t
    • Human intervention:<\/b> Dams and reservoirs create large artificial water bodies for irrigation, drinking water, hydropower and other purposes.<\/span><\/li>\r\n<\/ul>\r\n

      \"Lakes<\/p>\r\n

      Lakes of India Types<\/span><\/h2>\r\n

      Types of lakes in India can be classified according to their origin, water chemistry, location, drainage characteristics and whether they are natural or human-made.<\/span><\/p>\r\n

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      • Glacial Lakes:<\/b> Glacial lakes form through processes associated with glaciers, including the melting and retreat of glaciers and the filling of glacial depressions.<\/span>\r\n
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        • Examples: Gurudongmar Lake in Sikkim.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
        • Tectonic Lakes:<\/b> Tectonic lakes develop in depressions created by movements, faulting or deformation of the Earth's crust.<\/span>\r\n
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          • Examples: Wular Lake is commonly associated with tectonic processes, while several lakes of the Himalayan region occupy tectonic or fault-related basins.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
          • Oxbow Lakes:<\/b> Oxbow lakes are crescent-shaped water bodies formed when a meander loop of a river becomes cut off from the main river channel.<\/span>\r\n
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            • Examples: Kanwar\/Kabartal in Bihar and several floodplain lakes and beels of the Ganga-Brahmaputra plains.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
            • Lagoon Lakes<\/b>: Lagoon-type lakes occur along coastal areas where shallow water bodies are separated from the sea by sandbars, spits or other coastal features.<\/span>\r\n
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              • Examples: Chilika Lake in Odisha and Pulicat Lake along the Andhra Pradesh\u2013Tamil Nadu coast.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
              • Salt Lakes: <\/b>Salt lakes contain relatively high concentrations of dissolved salts, often because evaporation exceeds freshwater inflow.<\/span>\r\n
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                • Examples: Sambhar Lake in Rajasthan and several saline lakes of the Ladakh region.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
                • Freshwater Lakes<\/b>: Freshwater lakes have comparatively low salinity and may receive water from rainfall, rivers, springs, glaciers or groundwater.<\/span>\r\n
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                  • Examples: Wular Lake, Loktak Lake, Kolleru Lake and Sasthamkotta Lake.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
                  • Brackish Water Lakes<\/b>: Brackish lakes contain more dissolved salts than freshwater lakes but less salinity than typical seawater.<\/span>\r\n
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                    • Examples: Chilika Lake and Pulicat Lake are important coastal brackish water systems.<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
                    • Artificial or Man-made Lakes<\/b>: Artificial lakes are created or significantly modified through dams, reservoirs, irrigation projects, urban water infrastructure or other human interventions.<\/span>\r\n