History
Nagarjuna Sagar Dam is one of the largest and most significant dams in India, located on the Krishna River in the Nalgonda district of Telangana. It plays a crucial role in irrigation, hydroelectric power generation, and water supply for drinking and industrial purposes. The dam is named after the nearby Nagarjunakonda, an ancient Buddhist site, and is a testament to modern engineering marvels in India.
Key Details
Location: Nalgonda district, Telangana, India
River: Krishna River
Type: Masonry dam
Height: 124 meters (407 feet)
Length: 1,450 meters (4,760 feet)
Capacity: Gross storage capacity of 11.472 billion cubic meters (405 TMC)
Structure and Specifications
Reservoir: The reservoir created by the dam is known as Nagarjuna Sagar Reservoir.
Hydropower: The dam has a power generation capacity of 816 MW from its hydroelectric plant.
Major Benefits
Irrigation: Nagarjuna Sagar Dam is one of the world's largest irrigation projects, providing irrigation water to nearly 1.8 million hectares of land, significantly boosting agricultural productivity in the region.
Drinking Water Supply: It supplies drinking water to multiple districts, including Hyderabad, ensuring a stable and reliable water source for millions of people.
Hydropower Generation: The dam's hydroelectric power station generates substantial electricity, contributing to the regional power grid and supporting local industries and households.
Tourism
Scenic Beauty: The dam and its surroundings offer stunning views, attracting tourists for its natural beauty.
Boating and Recreation: Visitors can enjoy boating and other recreational activities in the reservoir.
Nearby Attractions: Proximity to historical and archaeological sites like Nagarjunakonda enhances its appeal to tourists.
Water Disputes
Nagarjuna Sagar Dam is part of the Krishna River water-sharing agreements between Telangana, Andhra Pradesh, Karnataka, and Maharashtra. Disputes occasionally arise over water allocation, particularly during periods of scarcity. These are managed through tribunals and interstate agreements.


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