(Last Updated on : 22/04/2014)
Nagavali River forms a prime river of north eastern Andhra Pradesh
and southern Odisha
. The origin of Nagavali River lies in the eastern slopes of the Eastern Ghats
near Lakhbahal, located at an altitude of 1,300 metres in the Kalahandi district
of the Indian state Odisha. Langulya is another name for Nagavali River. Nagavali river basin hosts the Niyamgiri hills where the Bauxite
mining has been made proposed. However it has been predicted that from the red mud dump area of the Bauxite refinery the rain water run off can pollute the Nagavali River by enhancing the alkalinity of its water.
Features of Nagavali River
Nagavali River has a length of about 256 kilometres of which 161 kilometres lies in Odisha and the remaining in Andhra Pradesh. The catchment area of the basin encompasses 9,510 square kilometres. This interstate river has river basin areas of 4462 square kilometres and 5048 square kilometres in Odisha and Andhra Pradesh respectively. The average rainfall received by the river basin annually is 1000 millimetres.The uplands of Nagavali River basin have hilly topography and are mainly inhabited by tribal population.
The river flows through Visakhapatnam
districts of Andhra Pradesh and Koraput
and Kalahandi districts of Odisha.
Tributaries of Nagavali River
Nagavali River has a number of tributaries namely Vegavati, Relligedda, Vonigedda, Suvarnamukhi, Vottigedda, Gumudugedda, Srikona, Sitagurha, Satnala, Baldiya, Barha and Jhanjavati. Suvarnamukhi River has its origin in the hills of Salur mandal from where it flows towards an eastern direction, finally joining the Nagavali at Sangam village situated in the Vangara mandal of Srikakulam district. However the origin of Vegavathi River lies in Pachipenta Hills of Pachipenta Mandal.
Settlements near Nagavali River
Nagavali River flows in the outskirts of Rayagada, a town and district headquarters of the district of Rayagada in Odisha. It also flows through Srikakulam town, the district headquarters in Andhra Pradesh, and finally joins the sea at Kallepalli village, located at a distance of 5 kilometres from Srikakulam town. Hatipathar, near Rayagada, is also located along the course of River Nagavali. The place is famed for its exquisite natural beauty and two gorgeous waterfalls.
Irrigation Projects of Nagavali River
Nagavali River and its tributaries host a number of irrigation projects. Jhanjavati Project is located on a tributary of Nagavali River called Jhanjavati, at Rajyalaxmipuram village in Komarada mandal of Vizianagaram district. It is the first rubber dam of the country and is the biggest of this kind in Asia. Thotapalli Reservoir lies at village Thotapalli in Vizianagaram district. Madduvalasa Reservoir is situated at Madduvalasa village in Vangara mandal of Srikakulam district and has been constructed across Vegavati and Suvarnamukhi tributaries. Narayanapuram Project is situated in Burja mandal in Srikakulam district.