Kuttiar Weir


Kuttiar Weir is a small diversion dam constructed across Kuttiar River in Elappara panchayath of Vagamon Village of Idukki District in Kerala, India. The Kuttiar weir is constructed for augmenting water to the Idukki Hydro Electric Project. The weir has a height of from the deepest foundation and a length of
Narakakkanam, Azhutha, Vazhikkadavu, Vadakkepuzha and Kuttiar diversion schemes were later added to augment the Idukki reservoir. The Kuttiar diversion scheme envisages diversion of water from 10.4 km2 of catchment of Kuttiar ar to Idukki reservoir by constructing an unlined tunnel of 2697.3 m length and a weir of 101.30 m long for an additional 37 Mu power generation at Idukki Power station.

Specifications

Latitude : 9⁰ 44′ NDam Features--
Longitude: 76⁰ 53′ EType of DamConcrete- Gravity-
PanchayathElapparaClassificationWeir
VillageVagamonMaximum Water Level EL 798.00 m
DistrictIdukkiFull Reservoir Level EL 795.50 m
River BasinPeriyarStorage at FRL0.35 Mm3
RiverKuttiar riverHeight from deepest foundation16.50 m
Release from Dam to riverThodupuzha arLength101.35 m
Taluk through which release flowsThodupuzhaSpillwayUngated – Overflow section
Year of completion2009Crest LevelEL 795.50 m
Name of ProjectIdukki HEPRiver Outlet1 No. Circular type, 0.75 m dia
Purpose of ProjectHydro Power--