Banasura Sagar Dam, Situated in Padinjarathara and it is the Largest Earth Dam in India and Second Largest Dam in Asia Banasura Dam is under the control of Padinjarathara KSEB Substation. Dam impounds the Karamanathodu tributary of the Kabini River, is part of the Indian Banasurasagar Project consisting of a dam and a canal project started in 1979. The goal of the project is to support the Kakkayam Hydro electric power project and satisfy the demand for irrigation and drinking water in a region known to have water shortages in seasonal dry periods. The dam is also known as Kuttiyadi Augmentation Main Earthen Dam. The dam has a height of 38.5 metres (126 ft) and length of 685 metres (2,247 ft).
Kakki Dam is a concrete gravity dam built on the Kakki river, a tributary of the Pampa river in the Ranni forest in the Seethathodu panchayat of Pathanamthitta district in Kerala, India. The dam is located in a forested area adjacent to the Periyar National Park. It was built in 1966 as part of the Sabarigiri Hydroelectric Project. The water sources of the dam are from the Pampa dam and the Kakki river. The Sabarigiri project envisaged creation of two reservoirs which are Pamba and Kakki reservoirs and connecting these together to form a single source of water. The water from Pamba reservoir is connected to the Kakki reservoir through an underground tunnel of length 3.21 km. The intake of the Sabarigiri Powerhouse is from Kakki reservoir. The dam is 336 metres (1,102 ft) long and 116 metres (381 ft) high and is located at an elevation of 981.45 metres (3,220.0 ft) above sea level. The release flows through Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally taluks before emptying into the Vembanad lake.
Azhutha Dam is a small diversion dam built on the Azhutha River which is a tributary of the Pamba River, at Azhutha in Peerumed Grama Panchayat of Idukki District, Kerala, India. It is a small concrete gravity dam that is only 72 metres (236 ft) long and 14 metres (46 ft) high. It acts mainly as a diversion dam to supply water to the Idukki Dam. The Azhutha Dam was constructed as an augmentation dam for the Idukki Hydro Electric Project. Construction of the project started in 1987 and was expected to be commissioned in 1991, but the project overrun and was only partially commissioned in June 1998. The year of completion was 2007. The release of the water from the dam is to Azhutha river and it flows through Ranni and Ayroor taluks.
Erattayar Dam is a small, diversion dam built on the Erattayar river in Erattayar grama panchayat near Kattappana town in Idukki district of Kerala, India. It acts mainly as a diversion dam to supply water to the Idukki dam. Diversion of water from Erattayar forebay to Idukki reservoir is through a tunnel called Anchuruli tunnel which is 3.77 km (2.34 mi) long. Construction of the dam was completed in the year 1989.
Kallar Dam is a small, diversion dam constructed at Perinjamkutty river in Nedumkandam grama panchayat of Idukki district, Kerala, India. It acts mainly as a diversion dam to supply water to the Idukki dam.
Kallarkutty Dam is a gravity dam built on the Muthirapuzha river, a tributary of the Periyar river, as part of the Neriamangalam Hydroelectric Project at Kallarkutty in Vellathooval panchayat of Idukki district in Kerala, India. The water discharged from the Chenkulam dam's powerhouse and the Muthirapuzha river is diverted to the Neriamangalam powerhouse near Panamkutty above the Pambla dam. The Hydroelectric Project was commissioned on 27 January 1961 to generate 45 MW of power using 3 turbines with a capacity of 15 MW. In 2006, the project was upgraded from 45 MW to 52.65 MW. Taluks through which release flow are Udumbanchola, Devikulam, Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur. The Project was led by Kerala State Electricity Board Engineer E.U. Philipose
Vellathooval Dam is a diversion dam built on the Muthirappuzha river in Vellathooval village in Devikulam taluk of Idukki district in Kerala, India. The height of the dam from the deepest foundation is 16 metres (52 ft) and length is 75 metres (246 ft). Water from the Sengulam Power House and from the Muthirapuzha river gets released to the Vellathooval dam. Water from this dam is diverted through a canal system to the powerhouse near Panniyar After the water flow is used to generate hydroelectricity, the water is released back into the river. The dam is one of the major tourist attractions in the Idukki District, Kerala.
Perunthenaruvi Weir is a diversion dam built across Pamba river at villages of Naranammoozhy and Vechoochira in Pathanamthitta District of Kerala, India. Perumthenaruvi Small Hydroelectric Project 6 MW (2×3) is a run-of-the-river scheme in river Pamba, and the weir is a part of this scheme. This envisages the utilization of water from 442 km2 (171 sq mi) catchment of Pamba and Azhutha river for electricity generation under a net head of 18.00 m. The power house is located on the left bank of Pamba river. The weir is a concrete gravity type with a height of 10.93 metres (35.9 ft) and a length of 227.50 metres (746.4 ft). Taluks through which the release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.
Gavi Dam or Gaviar Dam is a small, gravity dam constructed as a part of Sabarigiri hydro electric project on Gaviyar, which is a tributary of Pamba river at Seethathode village in Pathanamthitta district of Kerala, India. Taluks through which release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.
Meenar-1 Dam is a concrete, gravity dam constructed across Meenar river in Seethathodu village of Pathanamthitta district in Kerala, India. It is a diversion dam built as a part of Sabarigiri hydro electric project.
The Upper Moozhiyar Dam is an earthen dam constructed across the Moozhiyar River in the village of Seethathodu in Pathanamthitta district, Kerala, India. This dam was constructed as a part of the Sabarigiri Augmentation Scheme. The stream is located on the southern side of the Kakki reservoir. It is an embankment structure. The Sabarigiri Hydro Electric Project is the second largest hydroelectric project of Kerala and is located in Pathanamthitta district. The dam was constructed to divert the upper reaches of the Moozhiyar River, a tributary of the Pamba River, to the Kakki–Anathode reservoir through a tunnel. The surplus over the storage flows over the rock-cut spillway to the Moozhiyar River. Taluks through which the release flows are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara, and Karthikappally. The nearest city is Vandiperiyar.
Narakakkanam Weir is a diversion dam constructed across Narakakkanam River in Mariyapuram panchayath of Thankamani Village in Idukki district in Kerala, India. Narakakkanam weir is an augmentation weir for the Idukki Hydro Electric Project. Narakakkanam, Azhutha, Vazhikkadavu, Vadakkepuzha and Kuttiar diversion schemes were later added to augment the Idukki reservoir. The height of the dam is 11.50 metres (37.7 ft) from the deepest foundation and length is 45.20 metres (148.3 ft).
Vadakkepuzha Weir 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.
Kuttiyadi Saddle Dam is a concrete gravity dam built across Karamanathodu river which is a tributary of Kabani river in Padinjarathara village of Wayanad district in Kerala, India. It is one of the six dams created as part of Kuttiyadi Augmentation scheme which augments the Banasurasagar reservoir. The dam was built and is maintained by Kerala State Electricity Board.
Near Kottagiri Saddle dam is an earthen dam constructed on Karamanthode which is a tributary of Kabani river at Thariyode, of Wayanad district in Kerala, India. It is a saddle dam of Banasura sagar Reservoir built as a part of Kuttiyadi Augmentation Scheme. The dam was constructed and is maintained by Kerala State Electricity Board. The height of the dam is 11.0 metres (36.1 ft) and the length is 110.0 metres (360.9 ft).
Kottagiri Saddle dam is an earthen dam constructed across Karamanthodu which is a tributary of Kabani river at Thariyode village of Wayanad district in Kerala, India. It is a saddle dam of the Banasura sagar reservoir built as part of The Kuttiyadi Augmentatuin Scheme. The dam was constructed and is maintained by Kerala State Electricity Board.
Manjoora Saddle dam is an earthen dam constructed across Karamanthode which is a tributary of Kabani River in Thariyode village of Wayanad district in Kerala, India. It is one of the six saddle dams of Banasura sagar reservoir built as oart of the Kuttiyadi Augmentation scheme.
Nayanmoola Saddle dam is an earthen dam constructed across Karamanthode at Thariyode village of Wayanad district in Kerala, India. It is a saddle dam of Banasura sagar reservoir built as a part of the Kuttiyadi Augmentation scheme. The dam has a height of 3.5 metres (11 ft) and a length of 24.0 metres (78.7 ft)
Kulamavu Saddle Dam (Near Junction) is one of the two saddle dams of Idukki Reservoir constructed across Kilivallithodu River which is a tributary of Periyar river at Arakkulam village in Idukki District of Kerala, India. It is a Rolled Earth filled dam with a height of 18.29 metres (60.0 ft) and a Length of 457.2 metres (1,500 ft). The road to Idukki from Thodupuzha passes over this saddle dam.
Kulamavu Saddle Dam (RIght Bank) is an Earthen Dam constructed across Kilivallithodu at Arakkulam village in Idukki District of Kerala, India. It is One of the two saddle dams constructed to augment Idukki reservoir. The dam has a height of 27.43 metres (90.0 ft) and a length of 384.96 metres (1,263.0 ft). It is a rolled earth filled dam which has no Spillways or river outlets
