Indian rivers interlinking project | |
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![]() Rivers Inter-Link, Himalayan and Peninsular Components | |
Type of project | Interbasin transfer |
Country | India |
Status | In study |
The Indian rivers interlinking project is a proposed large-scale civil engineering project that aims to effectively manage water resources in India by linking rivers using a network of reservoirs and canals to enhance irrigation and groundwater recharge and reduce persistent floods in some parts and water shortages in other parts of the country.[1][2] India accounts for 18% of global population and about 4% of the world's water resources. One of the solutions to solve the country's water woes is to link its rivers and lakes.[3]
The interlinking project has been split into three parts: a northern Himalayan rivers interlink component, a southern peninsular component, and starting in 2005, an intrastate river-linking component.[4] The project is being managed by India's National Water Development Agency, which is part of the Ministry of Jal Shakti. NWDA has studied and prepared reports on 14 interlink projects for the Himalayan component, 16 for the peninsular component, and 37 intrastate river-linking projects.[4]
Average rainfall in India is about 4,000 billion cubic metres, but most of the country's rainfall falls over a 4-month period—June through September. Furthermore, rain across the large nation is not uniform, with the east and north getting most rainfall and the west and south getting less.[5][6] India also sees years of excess monsoons and floods, followed by below-average or late monsoons accompanied by droughts. This geographical and time variance in availability of natural water versus year-round demand for irrigation, drinking, and industrial water creates a demand–supply gap that has been worsening with India's rising population.[6]
Proponents of the river interlinking projects claim the answer to India's water problem is to conserve the abundant monsoon water bounty, store it in reservoirs, and deliver this water—using the planned project—to areas and over times when water becomes scarce.[5] Beyond water security, the project is also seen to offer potential benefits to transport infrastructure through navigation and hydro power as well as broadening income sources in rural areas through fish farming. Opponents are concerned about well-known environmental, ecological, and social displacement impacts as well as unknown risks associated with tinkering with nature.[2] Others are concerned that some projects may have international impacts.[7]
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