The flood water in Sylhet increased once again on Wednesday due to a heavy downpour since Tuesday night.Many areas of the district went under water as the flood situation slightly worsened.According to the Water Development Board, water in Surma River at Kanaighat point and Sylhet point has increased 6 and 1 centimetres, respectively, in the last 24 hours.  At the same time, water in the Kushiara River has increased 2 centimeters at  Fenchuganj point.On the other hand, water in the Sari River and Lova River has increased by 10 and 7 centimeter, respectively. However, water in the Dhalai River has slightly receded.AKM Niloy Pasha, deputy assistant of Sylhet Water Development Board, said, the water in the rivers of the district has increased due to excessive rainfall. The situation might continue till Thursday.  District administration data said a total of 314 shelters have been opened for the flood-affected people while 22,176 flood victims have taken shelter.