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The physico-chemical parameters (pH, temperature, Free CO 2 , DO, CO 3 -, HCO 3 -, Ca++, Mg++ and Cl ) were carried out for one year (April 2006 to March 2007) to evaluate the water quality of river Tawi (J&K). Four sampling stations (I to IV) were selected within the city limits of Jammu. Physicochemical parameters were within the permissible limits but showed a regular trend of increase with increase of sewage contamination, as we move from Station I to IV. Contamination of river water suggests certain control measures to protect the riverine ecosystem for health, hygiene and sustainable environment.

Evaluation of water quality of river Tawi with reference to physico-chemical parameters of district Jammu (J&K), India