Tungabhadra Dam Fully Restored with 33 New Crest Gates Before May Re-Inauguration
Why it matters
The Tungabhadra Dam, a vital multi-purpose asset on a major Krishna tributary, has undergone a comprehensive infrastructure overhaul. Two years ago, a critical chain failure at Gate No. 19 triggered an emergency discharge of millions of cubic feet of water, threatening the agricultural stability of the surrounding command areas. In response, engineering teams replaced the entire 33-gate spillway section to ensure long-term structural reliability.
Finishing the work before the 2026 monsoon allows for precise water management. The system is now equipped to prevent downstream flooding while maximizing storage for the 'Kharif' and 'Rabi' cropping cycles. As a primary water source for the Hyderabad-Karnataka and Rayalaseema regions, the dam supports essential paddy and sugarcane cultivation. The project aligns with the Dam Rehabilitation and Improvement Project (DRIP) standards, focusing on modern safety protocols.
- Dam Type: Composite (Earth and Masonry)
- River: Tungabhadra (Krishna tributary)
- Total Crest Gates: 33
- Beneficiary States: Karnataka and Andhra Pradesh
Glossary
Crest Gate: A movable gate at the top of a spillway that regulates water release from a reservoir.
Command Area: The specific geographic region serviced by an irrigation project's water supply.
NaukriSync Exam Angle
Geography / Infrastructure. Key fact: The replacement of all 33 crest gates at Karnataka's Tungabhadra Dam is complete as of May 2026. Focus on the river system (Tungabhadra as a Krishna tributary) and the interstate cooperation between Karnataka and Andhra Pradesh regarding water sharing.