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 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 January 27, 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. Taluks through which release flow are Udumpanchola, Devikulam, Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur.

Kallarkutty dam

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
• Type of Dam : Masonry- gravity
• Classification : HH ( High Height)
• Maximum Water Level (MWL) : EL 456.90 m
• 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

Reservoir

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