RAJSHAHI, Sept 25, 2025 (BSS) - Time-fitting measures, particularly wastewater treatment plants, can be the crucial means for protecting the Barnoi river from pollution. Due to the lack of a sewage system, the liquid waste produced from households, hotels, restaurants, public and private institutions and industrial factories is discharged into the River Barnoi through drains.Mozaffar Hossain, a teacher of Durgapur Harirampur School and College, said, “The Biodiversity of the River Barnoi has been completely destroyed by toxic effluents of the city corporation. Now there are no fish in the river.”Prof Mizanur Rahman of Geography and Environmental Science Department of Rajshahi University (RU), tested five types of industrial effluents with 22 parameters, and found that the effluents emitted by industrial factories...