The physico-chemical parameters like temperature, pH, turbidity, total hardness, alkalinity,
BOD , COD, chloride, nitrate and phosphate and fluoride content in water of Kosi River were
studied to ascertain the drinking and domestic as well as irrigation water supply in Rampur
district. In this present study water quality of Kosi River is taken into account and river water is
found to be severely polluted with reference to these analyzed parameters