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SASTHAMKOTTA LAKE◇ Sasthamcotta Lake or Sasthamkotta Lake, also categorized as a wetland, is the largest fresh water lake in Kerala.
◇ The lake is named after the ancient Sastha temple (a pilgrimage centre) located on its bank.
◇ It meets the drinking water needs of half million people of the Quilon district and also provides fishing resources.
◇ The purity of the lake water for drinking use is attributed to the presence of large population of larva called cavaborus that consumes bacteria in the lake water.
◇ The lake is a designated wetland of international importance under the Ramsar Convention since November 2002.
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