BIKASH KANTI BISWAS, SATABDI DAS AND APARAJITA BISWAS
Abstract
In rural West Bengal still same pond water is used for cultivation of fish, as drinking water of livestock, for wallowing of buffalo and also for washing of clothes as well as for bathing. Water from such four ponds was screened for bacteriological study. The study revealed that total count was 2.8×1014, 3.7×1013, 3.8×1012 and 3.1×1013, coliform was 7.2×106, 5.8×105, 7.2×105 and 5.8×106 and E. coli was 9.2×103, 4.3×103, 9.2×102 and 8.3×102 per mL of water in four ponds respectively. There is no significant difference in the number of bacteria present in four different ponds..