River Name: Atrai

1. General Information

1.1 Description

The Atrai River is a transboundary river in the northwestern region of Bangladesh recognized by the Joint River Commission (JRC). This meandering river originates from the Karatoya River in Debiganj Upazila of Panchagarh District. The river flows 75 km from its source and enters India through Shankarpur Union of Sadar Upazila of Dinajpur District. It flows for about 44 km and enters Bangladesh again through Alampur Union of Dhamurhat Upazila of Naogaon District and falls into the Gumani River in Gurudaspur Upazila of Natore District. Along the course of the river, Chirirbandar Mouza of Abdulpur Union of Chirirbandar Upazila and Mahadani Mouza of Auliapukur Union are known as Kakra, where there is a bridge named Kakra. This river is included in the third-class navigation route designated by the Bangladesh Inland Water Transport Authority (BIWTA).

1.2 River Type

In terms of dimension: Medium

In terms of seasonality: Perennial

1.3 Planform

Meandering

1.4 River Source/Entrance/Outfall

River/Lowland/Mountain/Sea	Mauza	Union	Upazila	District	Division	Latitude	Longitude
Korotoya River	Rasulpur	Sonahar Mallikadaha	Debiganj	Panchagarh	Rangpur	26.032032	88.703042
Gumani River	Chanchkair (Part)	Ward No. 09	Gurudaspur	Natore	Rajshahi	24.373928	89.253685

1.5 Length

217 km

1.6 Width

Max: 590 m, Avg: 140 m, Min: 30 m

1.7 River Flowing Location

Naogaon District: Raninagar, Dhamoirhat, Atrai, Mahadebpur, Patnitala, Manda
Natore District: Gurudaspur, Singra
Dinajpur District: Birganj, Dinajpur Sadar, Kaharole, Chirirbandar, Khansama
Panchagarh District: Debiganj

1.8 Tributaries

Akhirar Dara Velamoti, Barnai, Belan, Bura, Chiri (Dinajpur), Chota Jamuna, Iramati, Nagar (Rajshahi)

1.9 Distributaries

Atrai (Naogaon-Natore), Besani, Dhepa, Gaveshwari, Rani (Fakirni), Shib

2. Hydrological Information

2.1 Tidal Effect

2.2 Flow Data

Refer to the document for detailed station-wise flow data.

2.3 Water Level

Refer to the document for detailed station-wise water levels.

2.4 Catchment Area

11447 km²

2.5 Bank Overtopping During Medium Flood

Yes

3. Morphological Information

3.1 Physiographic Unit

Active Tista Floodplain, High Barind Tract, High Ganges River Floodplain, Level Barind Tract, Low Ganges River Floodplain, Lower Atrai Basin, Old Himalayan Piedmont Plain, Teesta Meander Floodplain

3.2 Terrain Slope

12 cm/km

4. Water Uses

No specific irrigation or flood control projects listed.

5. Ecological Information

5.1 Ecologically Critical Area (ECA)

Not included in the list of Department of Environment (DoE)