Kallarkutty Dam

Kallarkutty Dam is a dam built on the Muthirapuzha river, a tributary of the Periyar River, as part of the Neryamangalam Hydroelectric Project[1] at Kallarkutty in Vellathooval Panchayath, Idukki District, Kerala. The water discharged from the Chenkulam Dam's powerhouse and the Muthirapuzha river is diverted to the Neryamangalam Powerhouse near Panamkutty above the Lower Periyar Dam. The Hydroelectric Project was commissioned on 27 January 1961 to generate 45 MW of power using 3 turbines with a capacity of 15 MW. In 2006, the project was upgraded from 45 MW to 52.65 MW.[2] Taluks through which release flow are Udumpanchola, Devikulam, Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur.

One shutter open - Kallarkutty Dam
Kallarkutty dam
View of Kallarkutty

Specifications
  • Latitude : 9⁰ 58′ 48" N
  • Longitude: 77⁰ 00′ 05" E
  • Panchayath : Vellathooval
  • Village : Vellathooval
  • District : Idukki
  • River Basin : Mudirapuzha
  • River : Mudirapuzha
  • Release from Dam to river  : Mudirapuzha
  • Year of completion : 1961 [3]
  • Type of Dam : Masonry- gravity
  • Classification : HH ( High Height)
  • Maximum Water Level (MWL) : EL 456.90 m [4]
  • Full Reservoir Level ( FRL) : EL 456.90 m
  • Storage at FRL : 6.8 Mm3
  • Height from deepest foundation : 43.00 m
  • Length : 182.88 m
  • Spillway : Ogee type- 5 Nos. radial gates, each of size 10.97 x 6.4 m [5]

Reservoir

The Kallarkutty dam is the recipient of flows from both arms of the Muthirapuzha sub-basin.[6] The reservoir thus formed is spread about 0.648 sqkm and has 6.88 million cubic meter capacity.[7] Kallarkutty reservoir hosts Boating and other hydel tourism activities.[8][9]

References
  1. "Photo Gallery Album | DRIP - Dam Rehabilitation and Improvement Project". damsafety.in. Retrieved 25 July 2021.
  2. "Kerala State Electricity Board Limited - Mudirappuzha Basin Hydro Projects". www.kseb.in. Retrieved 7 July 2021.
  3. "Dams In Idukki – Idukki". Retrieved 25 July 2021.
  4. "Heavy rain continues: Shutters of Pambla, Kallarkutty dams to be raised". Mathrubhumi. Retrieved 25 July 2021.
  5. "KALLARKUTTY DAM – KSEB Limted Dam Safety Organisation". Retrieved 24 July 2021.
  6. "Understanding the 42-year-old Idukki dam which is now saving Kerala". 13 August 2018.
  7. "Reservoirs of Kerala | Fisheries Department - Kerala".
  8. KALLARKUTTY DAM | IDUKKI | Kerala, retrieved 25 July 2021
  9. "kallarkutty dam and boating – CHANNEL TODAY". Retrieved 25 July 2021.

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