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Blog / 18 Jun 2026

Bangladesh Padma Barrage Project and Ganges Water Treaty

Context:

Recently, Bangladesh approved the construction of the Padma Barrage Project to regulate the flow of the Padma River (the Ganga River in Bangladesh) and address seasonal water scarcity.

Background:

The project comes at a time when Bangladesh has repeatedly raised concerns over reduced water flow in the Ganga during the dry season, which it attributes partly to the operation of India’s Farakka Barrage. This issue is closely linked to the 1996 Ganges Water Treaty, which governs water sharing between the two countries and is set to expire in December 2026. The treaty is currently under review, making transboundary water sharing a key diplomatic issue.

Key Features of the Project:

      • The Padma Barrage aims to improve water availability during the dry season, enhance irrigation, reduce dependence on groundwater, and strengthen water security. The proposed 2.1-km-long barrage will be built about 180 km downstream of India's Farakka Barrage in West Bengal.
      • The project is estimated to cost Tk 50,443 crore (around ₹39,170 crore) and will be completed over seven years. It is expected to store 2,900 million cubic metres of water and benefit nearly 6.5 crore people in southwestern and northern Bangladesh.

Dhaka's new Padma barrage will reshape South Asia's water power map - The  Hindu

Environmental and Geopolitical Concerns:

      • Experts say big barrages can disturb natural river flow and groundwater systems. Climate change may make water flow even more uncertain in the future, reducing the long-term benefit of such projects.
      • The project also has strategic concerns because of its location near India and possible foreign (including Chinese) support. It may affect future talks on river water sharing between India and Bangladesh.

Implications on India:

      • May reduce water flow from the Ganga in dry months.
      • Can increase tension on river water sharing.
      • May affect talks on Ganges Water Treaty renewal.
      • Could impact Farakka Barrage water planning.
      • May raise border and security concerns.
      • Need for more talks and cooperation with Bangladesh.

Importance for Bangladesh:

      • Water Security
        • Enhances dry-season water availability.
        • Reduces dependence on groundwater extraction.
      • Agricultural Benefits
        • Supports irrigation and crop productivity.
        • Improves resilience against drought conditions.
      • Flood Management
        • Helps regulate river flow and manage seasonal flooding.
      • Strategic Significance
        • Increases Bangladesh's control over its water resources.
        • Strengthens its bargaining position in transboundary water negotiations.

Conclusion:

The Padma Barrage represents Bangladesh's attempt to address growing water security challenges and adapt to changing hydrological conditions. While the project promises significant socio-economic benefits, it also raises environmental and geopolitical concerns. Its success will depend on sustainable river management, regional cooperation, and balanced water-sharing arrangements between India and Bangladesh.

 

Aliganj Gomti Nagar Prayagraj