History
Somasila Reservoir is a vital water storage and irrigation project located in the Nellore district of Andhra Pradesh, India. This reservoir plays a crucial role in the agricultural and hydropower sectors of the region. It is constructed on the Penna River, contributing significantly to the local water management system.
Construction of Somasila Reservoir
Overview
The construction of the Somasila Reservoir was aimed at harnessing the Penna River’s water resources to support irrigation and drinking water needs. The project also includes provisions for hydropower generation, making it a multifaceted utility infrastructure.
Timeline
The construction of the reservoir began in the early 1980s and was completed in stages. The reservoir became fully operational by the late 1990s, providing much-needed water resources for the region.
Water Capacity of Somasila Reservoir
Somasila Reservoir has a substantial water storage capacity. It can store up to 78.03 TMC (Thousand Million Cubic feet) of water, ensuring a reliable supply for irrigation, drinking, and hydropower generation.
Location of Somasila Reservoir
The reservoir is situated near Somasila village in the Nellore district of Andhra Pradesh. Its strategic location on the Penna River makes it an essential component of the water management system in the state.
River Source
The Somasila Reservoir is fed by the Penna River, which originates in the Nandi Hills of Karnataka. The river flows through several districts in Andhra Pradesh, providing water for various uses along its course.
Irrigation Benefits
The reservoir supports the irrigation of a vast expanse of agricultural land. It aids in the cultivation of various crops, significantly boosting the agricultural productivity of the Nellore district and surrounding areas.
Hydropower Generation
The Somasila Reservoir is also equipped with facilities for hydropower generation. It contributes to the state’s power supply by generating electricity, which is essential for the development of the region.
Drinking Water Supply
Apart from its primary use in irrigation and hydropower, the Somasila Reservoir provides drinking water to numerous towns and villages in the Nellore district.
This supply is crucial for the daily needs of the local population.
Flood Control
The Somasila Reservoir plays a significant role in flood control. By regulating the flow of the Penna River, it helps to mitigate the impact of floods during heavy rainfall, protecting downstream areas from flood damage.
Tourism at Somasila Reservoir
The scenic beauty of the Somasila Reservoir and its surroundings attracts tourists and nature enthusiasts. It offers opportunities for boating, fishing, and picnicking, making it a popular recreational spot.
Water Dispute with Neighboring States
The Penna River, shared between Andhra Pradesh and Karnataka, occasionally leads to water disputes regarding the allocation of its waters. These disputes necessitate cooperation and negotiation to ensure fair and sustainable usage.
Nearby Attractions
Visitors to the Somasila Reservoir can explore nearby attractions such as the Nellore city and the Venkatagiri Fort. These sites offer a blend of natural beauty and historical significance, enhancing the visitor experience.


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