Abstract Pollution-free Rivers confer a signal of vigorous environment. The present study highlighted the impact on river Tawi. Tawi River is single flowing in Jammu city and longest tributary Chenab. water samples were analyzed month November 2021. collected from different five locations (Nagrota, Bagh-e-Bahu, Below Bridge, Belicharana, Surajpur) investigated sample regional JKPCB laboratory J...