Mullaperiyar Dam

Mullaperiyar Dam is a masonry gravity dam on the Periyar River in Thekkady, Idukki district, Kerala, known for its strategic importance and history.

Mullaperiyar Dam
Table of Contents

Mullaperiyar Dam Latest News

The Supreme Court recently directed Tamil Nadu and Kerala to resolve contentious issues related to the Mullaperiyar dam with expert intervention.

About Mullaperiyar Dam

  • It is a masonry gravity dam situated on the Periyar River in Thekkady, Idukki district, in Kerala.
  • It is located 881 m above sea level, in the Western Ghats mountains.
  • The dam is built at the confluence of the Mullayar and Periyar rivers.
  • It is one of the oldest dams in India. Its construction began in 1887 and was completed in 1895. 
  • The construction was carried out by the British Corps of Royal Engineers under the leadership of Pennycuick.
    • The dam was constructed with limestone and “Surkhi” (burnt brick powder and a mixture of sugar and calcium oxide).
  • The dam has a height of 53.6 meters (176 feet), a length of 365.7 meters (1,200 feet), and a storage capacity of 443 million cubic meters (11.5 billion cubic feet). 
  • It created anartificial lake and reservoir that covers an area of 8.5 sq.km
  • The dam is surrounded by the Periyar National Park, a renowned biodiversity hotspot that is home to numerous endangered species of animals and birds. 
  • The dam’s primary function is to transfer water from the Periyar River to the Vaigai River basin in Tamil Nadu for irrigation and power generation purposes.
  • Although the dam is located in Kerala, it is operated and maintained by the neighbouring state of Tamil Nadu.
    • It was according to a 999-year lease agreement made during British rule, that the operational rights were handed over to Tamil Nadu.
  • In recent years, there has been a long-standing dispute between Kerala and Tamil Nadu over the safety of the dam. Kerala has been demanding that the dam be strengthened or decommissioned, while Tamil Nadu has opposed any such move.

Mullaperiyar Dam FAQs

Q1: The Mullaperiyar Dam is located in which state?

Ans: It is located in Thekkady, Idukki district, in Kerala.

Q2: In which year was the construction of the Mullaperiyar Dam completed?

Ans: 1895

Q3: Despite being located in Kerala, the Mullaperiyar Dam is operated and maintained by which state?

Ans: Tamil Nadu

SourceTH

 

  •  
  •  
  •  
  •  
  •  
  • Beta

Beta feature

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on March, 2026

UPSC Final Result 2025 is now out.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

Anuj Agnihotri secured AIR 1 in the UPSC Civil Services Examination 2025.

UPSC Marksheet 2025 is now out.

UPSC Notification 2026 & UPSC IFoS Notification 2026 is now out on the official website at upsconline.nic.in.

UPSC Calendar 2026 has been released.

→ Check out the latest UPSC Syllabus 2026 here.

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.

→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

Shakti Dubey secures AIR 1 in UPSC CSE Exam 2024.

→ Also check Best UPSC Coaching in India

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
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹19000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹8500
Enroll Now
Enquire Now