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Kallar Dam (Malayalam: കല്ലാർ അണക്കെട്ട്) is a small, diversion dam constructed at Perinjamkutty river in Nedumkandam grama panchayat of Idukki district, Kerala, India. [1] It acts mainly as a diversion dam to supply water to the Idukki dam.[2]
| Kallar Dam | |
|---|---|
 | |
  Location of Kallar Dam in Kerala | |
| Country | India |
| Location | Kallar |
| Coordinates | 9°49′31″N 77°09′22″E / 9.82534°N 77.15612°E |
| Purpose | Power |
| Status | Operational |
| Opening date | 1975 |
| Owner(s) | Kerala State Electricity Board |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Perinjamkutty river |
| Height (foundation) | 12.19 m (40.0 ft) |
| Length | 57.91 m (190.0 ft) |
| Spillways | 4 |
| Spillway type | Ogee type – Radial gates, each of size 7.62 x 6.10 m |
| Website [1] | |
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 and 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 hectares. [4] [5]
Specifications
edit- 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
edit- ^ "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 Limited Dam Safety Organisation". Retrieved 2021-07-26.
This article incorporates text available under the CC BY-SA 2.5 license.
- ^ "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.
