Koyna Dam

Koyna Dam is one of the largest dams in the state of Maharashtra and is located at Koyna Nagar in Satara district.

Koyna Dam

About Koyna Dam

  • Location: It is one of the largest dams in the state of Maharashtra and is located at Koyna Nagar in Satara district.
  • It is a rubble-concrete dam constructed on the Koyna River.
  • The construction of this dam was completed in 1963 and is amongst the chief civil engineering projects built after the independence of India.
  • The main purpose of dam is hydroelectricity with some irrigation in neighboring areas.
  • Koyna Hydroelectric Project is the largest completed hydroelectric power plant in India, with a total installed capacity of 1,920 MW. 
  • The catchment area of the Koyna Dam blocks up the Koyna River and creates the Shivsagar Lake, which is roughly 50 km long.
  • The dam plays a vital role in flood control during monsoon season.

Key Facts about Koyna River

  • It is a tributary of the Krishna River in the western part of Maharashtra.
  • Origin: It rises near Mahabaleshwar, a famous hill station in the Western Ghats. 
  • The river is just 100 meters wide and flows slowly.
  • Unlike most of the other rivers in Maharashtra, which flow East-West direction, the Koyna River flows in North-South direction.
  • The river merges with the Krishna River at Karad in the Satara district of Maharashtra.
  • Due to its electricity-generating potential through the Koyna Hydroelectric Project, Koyna River is known as the Life Line of Maharashtra. 

Q1) Which are the main tributaries of Krishna River?

The principal tributaries joining Krishna are the Ghataprabha, the Malaprabha, the Bhima, the Tungabhadra and the Musi.

Source: Koyna dam authorities propose water cuts for irrigation, power generation 

Latest UPSC Exam 2025 Updates

Last updated on November, 2025

→ Check out the latest UPSC Syllabus 2026 here.

→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.

UPSC Mains Result 2025 is now out.

UPSC Notification 2026 is scheduled to be released on January 14, 2026.

UPSC Calendar 2026 is released on 15th May, 2025.

→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025  are available now.

UPSC Mains Question Paper 2025 is out for Essay, GS 1, 2, 3 & GS 4.

UPSC Mains Indian Language Question Paper 2025 is now out.

UPSC Mains Optional Question Paper 2025 is now out.

→ Also check Best IAS Coaching in Delhi

Vajiram Content Team
Vajiram Content Team
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹65000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹25000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹13000
Enroll Now
Enquire Now