Kallar Dam (Malayalam : കല്ലാർ അണക്കെട്ട്) is a small diversion dam constructed at Perinchankuttyar in Nedunkandam grama Panchayat, Idukki District, Kerala, India. [1] It acts mainly as a diversion dam to supply water to the Idukki Dam.[2] It is a small dam measuring 67.91 m in length and 12.19 m in height. The water stored in the Kallar Dam reaches the Erattayar River through a tunnel and the Erattayar Dam through the Erattayar River. Water reaches Idukki Dam from Irattayar Dam through Irattayar Tunnel / Anchuruli Tunnel. Taluks through which release flow are Thodupuzha, Udupanchola, Devikulam, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur. [3] Reservoir area of this Dam and the Gavi dam combined is 25 Hectars. [4] [5]
Specifications
- Latitude : 9⁰ 49′ 30 ” N
- Longitude: 77⁰ 09′ 20” E
- Panchayath : Nedumkandam
- Village : Kalkoonthal
- District : Idukki
- River Basin : Periyar
- River : Perinjamkutty ( Tributary of Periyar)
- Release from Dam to river : Periyar
- Type of Dam : Concrete- Gravity
- Classification : LH ( Low height)
- Maximum Water Level (MWL) : 824.48 meters
- Full Reservoir Level ( FRL) : 824.48 meters
- Storage at FRL : 0.793 Mm3
- Height from deepest foundation : 12.19 m
- Length : 57.91 m
- Spillway : Ogee type – 4 Nos. Radial gates, each of size 7.62 x 6.10 m
- Year of completion : 1975
- Crest Level : 818.38 m
- Name of Project : Idukki HEP
- River Outlet : No outlet
- Type of Project : Hydro Power
References
- ↑ Kerala State Electricity Board Limited - Kerala State Electricity Board Limited. www.kseb.in. Retrieved 2021-07-28.
- ↑ Kerala State Electricity Board Limited - Periyar Basin Hydro Projects. www.kseb.in. Retrieved 2021-07-07.
- ↑ KALLAR DAM – KSEB Limted Dam Safety Organisation. Retrieved 2021-07-26.Template:CC-notice
- ↑ Reservoirs of Kerala | Fisheries Department - Kerala. www.fisheries.kerala.gov.in. Retrieved 2021-07-26.
- ↑ Reservoirs of Kerala. www.kerenvis.nic.in. Retrieved 2021-07-26.