Ground Water Table
Full Form of GWT
What is GWT?
GWT, or Ground Water Table, refers to the upper surface of the zone of saturation in underground aquifers. In India, monitoring the groundwater table is critically important for agriculture, drinking water supply, and urban planning. Civil engineers and environmental scientists rely on GWT data to design building foundations, assess water availability, and prevent land subsidence. The depth of the water table varies across regions—from shallow in river deltas to deep in arid zones—and is measured using observation wells and piezometers. The Central Ground Water Board of India regularly publishes reports on groundwater levels to guide sustainable extraction policies. In state-level public service examinations for water resources and civil engineering roles, questions on groundwater table dynamics are common. For students preparing for GATE Civil Engineering or ESE, understanding the factors affecting the water table—such as rainfall, evaporation, and human consumption—is essential. Overexploitation of groundwater in states like Punjab, Haryana, and Rajasthan has led to alarming declines in the water table, making this topic highly relevant for current affairs as well. Overall, the ground water table is a fundamental parameter in hydrogeology and water resource management across India.
GWT का फुल फॉर्म
भूजल स्तर
Example
The groundwater table in the Indo-Gangetic plain is depleting rapidly due to excessive extraction for irrigation and industrial use.