History
Prakasam Barrage, a key infrastructure project in Andhra Pradesh, India, is constructed across the Krishna River. It serves multiple purposes, including irrigation, water supply, and flood control. The barrage is located in the city of Vijayawada, a vital hub for the state's agriculture and transportation networks.
Construction of Prakasam Barrage
Prakasam Barrage was originally constructed between 1954 and 1957. The structure is named after Tanguturi Prakasam, a prominent Indian freedom fighter and the first Chief Minister of Andhra Pradesh. The barrage is 1223.5 meters long and is made of concrete and masonry. It includes 70 gates, each 12.2 meters wide, that control the flow of the Krishna River.
Water Capacity of Prakasam Barrage
Prakasam Barrage can impound a maximum water storage capacity of approximately 3.07 TMC (thousand million cubic feet). This capacity is crucial for sustaining the water needs of the region, especially during dry periods.
Location of Prakasam Barrage
Prakasam Barrage is located in Vijayawada, Andhra Pradesh, on the Krishna River. Vijayawada is one of the largest cities in Andhra Pradesh and is a major commercial and transportation hub in the region.
River Source
The Krishna River, on which the Prakasam Barrage is constructed, originates in the Western Ghats near Mahabaleshwar in Maharashtra. It flows through the states of Karnataka, Telangana, and Andhra Pradesh before emptying into the Bay of Bengal.
Irrigation Benefits
The barrage facilitates the irrigation of about 1.2 million acres of agricultural land in the Krishna Delta region. This irrigation support is vital for the cultivation of crops such as paddy, sugarcane, and various fruits and vegetables, thereby boosting the agricultural output of the region.
Hydropower Generation
Prakasam Barrage itself does not have a hydropower plant, but it plays a crucial role in regulating water flow for downstream hydroelectric projects. The barrage helps maintain a steady water supply to hydroelectric power stations located further downstream on the Krishna River.
Tourism at Prakasam Barrage
Prakasam Barrage is a popular tourist attraction in Vijayawada. The scenic beauty of the barrage, coupled with the lush greenery of the surrounding area, attracts many visitors. The structure also offers a picturesque view, especially during the evening when it is illuminated.
Water Dispute with Neighboring States
The Krishna River water is a contentious issue among the states of Maharashtra, Karnataka, Telangana, and Andhra Pradesh. The allocation and usage of water from the Krishna River have led to several disputes, often requiring interventions by the central government and water tribunals to resolve.
Nearby Attractions
Nearby attractions include the Kanaka Durga Temple, Undavalli Caves, Bhavani Island, and Gandhi Hill. These sites offer cultural, historical, and recreational experiences for visitors.


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