Assam Inland Water Transport Development Society

Profile of Rivers

Name	River	Length (km)
NW2	Sadiya-Dhubri stretch of Brahmaputra River	891
NW6	Aai River	71
NW16	Barak River	121
NW18	Beki River	73
NW30	Dihing River	114
NW31	Dhansiri River-Chathe River	110
NW32	Dikhow River	63
NW33	Doyang River	61
NW57	Kopili River	46
NW62	Lohit River	100
NW82	Puthimari River	72
NW95	Subansiri River	111
NW38	Gangadhar River	62
NW50	Jinjiram River	43
NW102	Tlwang River	86

National Waterway – 2 ( Brahmaputra River) :

Sadiya - Dhubri stretch of Brahmaputra River was declared as the National Waterway no.2 vide National Waterway Act 1988. From Sadiya to Dhubri, the waterway extends for a distance of 891 Km. River Brahmaputra flows down the centre of Assam valley. It has a number of tributaries like Subansiri, Jia Bharali, Dihing, Burhi Dihing, Disang, Dhansiri and Kopili. The Brahmaputra along with its continuous water routes leading up to the ports of Calcutta and Haldia is a important traditional IWT route.

Important river stations/commercial centers along the river banks NW-2 are Dhubri, Jogighopa, Pandu/Guwahati, Tepur, Neemati, Dibrugarh, Sadiya and Saikhowa. Pandu/Guwahati is the most important river station on NW-2. The stretch downstream from Pandu up to Bangladesh Border (260Kms) is the stretch where IWT operations are presently most active.

National Waterway – 16 ( Barak River) :

Lakhipur - Bhanga Stretch of Barak River was declared as the National Waterway no.16 vide National Waterway Act 1988. From Lakhipur to Bhanga, the waterway extends for a distance of 121 Km. It originates in the Manipur hills and enters the plains near Lakhipur. Downstream of Silchar town and before entering Bangladesh the Barak bifurcates into the Surma River and the Kushiyara River. The principal tributaries of the Barak in India are the Jirl, the Dhaleshwari, the Singla, the Longai, the Sonai and the Katakhal.