Haor and Trans-boundary Rivers in Bangladesh

Trans-boundary Rivers and Haor Region
• Districts in Haor Region- 7
• Six of them are Border Districts (Except Kishorganj)
• Trans-boundary Rivers in This Region- 23
• Netrokona (1)- Someswari
• Sunamganj (3)- Jadukata, Jalokhali, Nwagang
• Sylhet (7)- Umiam, Piyan, Dhala, Sari-Gowain, Kushiyara, Sonai-Bordal, Surma
• Maulavibazar (4)- Juri, Manu, Dhalai, Longla
• Habiganj (4)- Khowai, Sutang, Sonai, Haora
• Brahmanbaria (2)- Bijni, Salda
• Kishorganj (Via Mymensign-Netrokona) (2) Vugai, Nitai




Catchments Area of Trans-boundary Rivers in Haor Region
• Total Catchment 46,103 Square km
• Bangladesh 33%
• India 67%


Contribution of Trans-boundary Rivers into Haor Region
• Major Source of Water
• Inter-connection of Haors, Beels
• Maintains Aquatic Quality and Quantity
• Livelihoods
• Ecological Integrity
• Irrigation
• Navigation
• Recreation



Water Contribution of Trans-boundary Rivers into Haor
• Outflow of water from Haor region to Bay of Bengal- 159,087 M3 per year on average.
• 44% of the water generated within the country, mainly direct rainfall.
• 56% of the water generated from the upstream of Bangladesh mainly by trnas-boundary rivers flow.

Crisis to Flow Towards Haor from Trans-boundary Rivers
a. Dam, Barrage, embankment on upstream- Barak, Sari-Gowain
b. Erosion, Deforestation, Sand Lifting- Khowai, Jadukata, Someswari, Piyain
c. Flash Flood
d. Pollution, Grabbing, Indiscriminate Structure- Salda, Bijni