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India also relies excessively on groundwater resources, which accounts for over 50 percent of the irrigated area with 20 million tube wells installed. India has built nearly 5,000 major or medium dams, barrages, etc. to store the river waters and enhance groundwater recharging. [15]
Irrigation in India includes a network of major and minor canals from Indian rivers, groundwater well based systems, tanks, and other rainwater harvesting projects for agricultural activities. Of these groundwater system is the largest. [ 1 ]
Global map of countries by total renewable internal freshwater resources (billion cubic meters) in 2020, according to World Bank [1]. This is the list of countries by total renewable water resources for the year 2020, based on the latest data available in January 2024, by World Bank and Food and Agriculture Organization (AQUASTAT data). [2]
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...
Employing almost 44% of India's working population, agriculture is one of the most important occupations in India. Consequently, up to 80% of the groundwater in India is used for irrigation. [37] The Indian Agriculture Institute has been promoting the drip irrigation technology to relieve the water scarcity in India for decades. The technology ...
Map of the major rivers, lakes and reservoirs in India. This is a list of largest reservoirs in India, including all artificial lakes with a capacity greater or equal to 1,000,000 acre-feet (1.2 km 3). In terms of number of dams, India ranks third after China, and USA.
India's total renewable water resources are estimated at 1,907.8 km 3 a year. [80] Its annual supply of usable and replenishable groundwater amounts to 350 billion cubic metres. [81] Only 35% of groundwater resources are being utilised. [81] About 44 million tonnes of cargo is moved annually through the country's major rivers and waterways. [63]