Physico-Chemical and Bacteriological Analyses of Water Used For Drinking and Swimming Purposes in Silvassa, Union Territory of DN & H (original) (raw)

Physicochemical and bacteriological analyses were carried out on stream water and river water used for drinking and swimming purposes in Silvassa, Union Territory of Dadra Nagar & Haveli. The results obtained were compared with WHO and EPA standards for drinking and recreational water. pH is within the permissible limit & values are close to each other. Conductance & Alkalinity are high value for Bhorkudfalia & Baldevi sample which indicate that the presence of Bicarbonate, carbonate, Ca, Mg, Cl-, Na+, K+ ions are in high amount. DO, BOD, and COD of Bhorkudfalia & Naroli show the high values of this parameter indicate heavy bacterial growth. Total Coliform clearly indicates that water from all area is not potable. This water contains bacteria which spread epidemic diseases. TS, TDS, TSS, and Turbidity values from Tokarkhada, Hathola & Naroli are more than permissible limit. This indicates heavy pollution in these areas. The presence of pathogens in water for drinking and swimming purposes is considering the possibility of the presence of other bacteria, protozoa and enteric viruses. This worried in gastrointestinal water borne diseases and the low infectious dose for these water borne pathogens.

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