The Gaurikund Market drain recorded the highest biochemical oxygen demand (BOD) at 242 mg per litre, followed by the Car Parking drain in Sonprayag at 143 mg per litre.
SOURCE
The New Indian Express
The Gaurikund Market drain recorded the highest biochemical oxygen demand (BOD) at 242 mg per litre, followed by the Car Parking drain in Sonprayag at 143 mg per litre.