Vadakkepuzha Weir (Malayalam:വടക്കേപ്പുഴ തടയണ) is a diversion dam of Earthen type constructed across Vadakkepuzha which is a tributary of Muvattupuzha river in Arakkulam village in Idukki district of Kerala, India. Vadakkepuzha weir is a part of an augmentation scheme for the Idukki Hydro Electric Project. Narakakkanam, Azhutha, Vazhikkadavu, Vadakkepuzha and Kuttiar diversion schemes were later added to Idukki HEP to augment the reservoir. Water from the reservoir is pumped in to Idukki reservoir through a pump house with three pumps.
Specifications Location Latitude : 9⁰ 47′ 00 ” N Longitude: 76⁰ 51′ E Panchayath : Arakkulam Village : Arakkulam District : Idukki River Basin : Periyar River: Vadakkepuzha Release from Dam to river : Malankara reservoir Taluk through which release flows : Thodupuzha Year of completion : 2003 Name of Project: Idukki HEP Purpose of Project Hydro Power Type of Dam : Earthen- bund Classification : Weir Maximum Water Level (MWL) : EL 724.00 m Full Reservoir Level ( FRL) : EL 723.25 m Storage at FRL; 0.0667 Mm3 Height from deepest foundation : 2.80m ( Height from bed level) Length Spillway : Ungated – Overflow section Crest Level NA River Outlet Not provided Officers in charge & phone No. Assistant Executive Engineer, Idukki Augmentation Scheme, Moolamattom. Phone-9496009429 Installed capacity of the Project; 780 MW
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