Dam/Weir: KALLAR
LocationLatitude : 9⁰ 49′ 30 ” N
Longitude: 77⁰ 09′ 20” E
Dam Features
Type of DamConcrete- Gravity
PanchayathNedumkandamClassificationLH ( Low height)
VillageKalkoonthalMaximum Water Level (MWL)824.48 m
DistrictIdukkiFull Reservoir Level ( FRL)824.48 m
River BasinPeriyarStorage at FRL0.793 Mm3
RiverPerinjamkutty ( Tributary of Periyar)Height from deepest foundation12.19 m
Release from Dam to riverPeriyarLength57.91 m
Taluk through which release flowsThodupuzha, Udupanchola, Devikulam, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor, ParavurSpillwayOgee type – 4 Nos. Radial gates, each of size 7.62 x 6.10 m
Year of completion1975Crest Level818.38 m
Name of ProjectIdukki HEPRiver OutletNo outlet
Type of ProjectHydro PowerOfficers in charge & phone No.Executive Engineer, Dam Safety Division No. II, Vazhathope, Idukki (Dist.), Kerala, PIN- 685602 Phone- 9446008425
Installed capacity of the Project780 MWAssistant Executive Engineer, Dam Safety Sub Division, Vazhathope , Idukki ( Dist.), Kerala , PNI-685602 Phone-9496011961
Project Identification Code ( PIC)KL12HH0057