The Water Development Board (WDB) opened all the 44 gates of Teesta Barrage on Wednesday to rein in the high water pressure, with the river flowing 60 cm above the danger level.
According to Board officials, the Teesta river was flowing 52.70 cm above the danger level at Dalia point on Tuesday night while it was flowing 60 cm above the danger level around 10 am on Wednesday. This is due to the onrush of hill water and heavy rainfall.
The low-lying areas of Dahgram in Patgram upazila, Gaddimari, Singamari, Sinduna, Patikapara, Dauabari in Hatibandha upazila and Bhotmari, Soilmari, Nohli, Char Boirati in Kaliganj upazilas of the district have been flooded, affecting some 10,000 families.
Mafizar Rahman, UP member of Char Sinduna union in Hatibandha Upazila, said "We did not experienced any flash floods during the dry season and the river water had dried up in the past two months, but suddenly, the water level has risen, triggering flash floods."
Maidul Islam of Patgram's Dahgram area, said, "The river water has started to rise since Tuesday night, inundating the paddy fields, roads and dwelling houses, forcing many people to take shelter in high places."
Asfaudoula, executive engineer of the Water Development Board at Dalia point, said l, "The Teesta water is flowing 60 cm above its danger mark and the authorities concerned have opened all the 44 gates of the barrage."
Besides, the residents along the river have been asked to take shelter in safer places.
Lalmonirhat deputy commissioner said that adequate measures have been taken for the flood-hit areas to help local residents.