BWDB sources said the water in Surma and Kushiara rivers were flowing above the danger mark at several points
Heavy rainfall during the last few days has worsened the flood situation in many districts of the country, causing several thousand people to be stranded.
In Jamalpur, the Jamuna River was flowing above 77cm of the danger mark at Bahadurabad point in Islampur upazila on Sunday, said Bangladesh Water Development Board Executive Engineer Nabakumar Chowdhury.
Sources said the water logging in the upazila has stranded around 50,000 people of 30 villages.
In Belgacha union, at least 50 families were devastated due to the river erosion, said Upazila Nirbahi Officer (UNO) Md Mizanur Rahman.
"The authorities are well prepared to handle the flood situation as the government has allocated sufficient relief for the affected people," he said.
In Sylhet, several thousand people of over 100 villages under seven upazilas remained marooned due to continuous rainfall for the last few days, leading to flooding in Companiganj, Gowainghat, Jaintiapur, Kanaighat, Fenchuganj, Balaganj, and Zakiganj upazilas.
BWDB sources said the water in Surma and Kushiara rivers were flowing above the danger mark at several points on Sunday. However, the water in the Sari River was flowing below the danger mark.
District Relief and Rehabilitation Officer Nuruzzaman Mazumdar said, the government has allocated Tk8 lakh, 500 tonnes of rice, and 2,000 packets of dry foods for flood-hit families.
Most of the roads in the city have been waterlogged, causing huge inconvenience to commuters, as well as disrupting businesses.
In Gaibandha, around 100 feet of the flood control dam in Baguria village of the Sadar upazila collapsed due to strong current of the Brahmaputra River.
Around 50,000 people of 113 villages in Sundarganj, Phulchari, and Saghata upazila have been stranded due to flooding.
District Primary Education Officer Md Hasan Ali said activities of 115 government schools have been halted.
Gaibandha Agricultural Official SM Ferdous said around 300 hectares of fertile land went under the flood water.
When contacted, BWDB Executive Engineer Mokhlesur Rahmman said Brahmaputra, Teesta, and Ghaghat rivers are flowing above the danger levels at several points.
In Nilphamari, water in the Teesta is flowing 20cm above the danger mark, and flooded 12 villages of Jaldhaka upazila. Chairmans of several Union Parishad confirmed that thousands of people have been stranded due to the excessive waterlogging.
In Bogra, water level at Jamuna, and Bangali rivers were flowing 45cm above the danger mark in several points of Sariakandi upazila.
Upazila Agricultural official Abdul Halim said some 1,124 hectares of jute, paddy, and vegetables fields went under water.
In Kurigram, around 200,000 people in nine upazilas of the district have been stranded due to the rise in the water level of Brahmaputra, Dharla, and Teesta rivers.
Around 409 flood shelters have been prepared across the districts.
However, locals claimed that the aid provided across the district is not sufficient.
Our correspondents Md Taieyb Ali Sarker, Nilphamari;Bishwajit, Jamalpur;Md Tazul Islam, Gaibandha;Ariful Islam, Kurigram;Nazmul Huda Nasim, Bogra, and Mohammed Serajul Islam, Sylhet contributed to this report.