Azhutha Dam (Malayalam:അഴുത അണക്കെട്ട്) is a small diversion dam built on the Azhutha river which is a tributary of the

Pamba River The Pamba River (also called Pampa River) is the longest river in the Indian state of Kerala after Periyar and Bharathappuzha, and the longest river in the erstwhile former princely state of Travancore. Sabarimala temple dedicated to Lord Ayyapp ...

, at Azhutha in Peerumed Grama Panchayat of Idukki District,

Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

. It is a small

concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...

gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation to oppose the horizontal pressure of water pushing against it. ...

that is only long and high. It acts mainly as a

diversion dam A diversion dam is a dam that diverts all or a portion of the flow of a river from its natural course. Diversion dams do not generally impound water in a reservoir; instead, the water is diverted into an artificial water course or canal, which ...

to supply water to the

Idukki Dam The Idukki Dam is a double curvature arch dam constructed across the Periyar River in a narrow gorge between two granite hills locally known as '' Kuravan'' and ''Kurathi'' in Idukki, Kerala, India. At , it is one of the highest arch dams in As ...

. Azhutha dam is 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 Ayroor (also spelled Ayiroor) is a village Near Thiruvalla,located in the western part of Ranni taluk, in the Pathanamthitta district in Kerala state, India. It is bordered by hills and located near the Western Ghats. Ayroor was previously pa ...

taluks. This project diverts waters from the 16.8389 km². catchment of the Azhutha river, a tributary of Pamba river to Idukki reservoir and thereby increasing the power potential of Idukki Hydro electric Project by 57 MU.

Specifications

*Latitude : 9⁰ 33′ 50 ” N *Longitude: 76⁰ 59′ 30” E *Panchayath : Peermade *Village : Peermade *District : Idukki *River Basin : Pamba *River : Azhutha river *Release from Dam to river : Azhutha river *Taluk through which release flows : Ranni, Ayroor. *Year of completion : 2007 *Name of Project : Idukki HEP *Purpose of Project : Hydro Power *Type of DamConcrete- Gravity *Classification : Weir *Maximum Water Level (MWL) : EL 960.20 m *Full Reservoir Level ( FRL) : EL 956.00 m *Storage at FRL : 0.140 Mm3 *Height from deepest foundation : 13.50 m *Length : 116.30 m &Spillway : Ungated – Overflow section *Crest Level : EL 956.00 m *River Outlet : 1 No. Circular type, 0.75 m dia

References

Dams in Kerala Dams completed in 2007 {{India-dam-stub