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Table 3 Percentage of water samples found to be contaminated with different bacteria

From: Bacteriological quality of bottled drinking water versus municipal tap water in Dharan municipality, Nepal

Bacteria Tap water % Bottle water % P value
Pseudomonas spp. 76.3 87.5 0.241
Acinetobacter spp. 30.3 87.5 <0.05
Gram-positive rodsĀ (GPR) 100 12.5 <0.05
Enterobacter spp. 23.7 0 <0.05
Citrobacter spp. 36.8 25 0.286
Klebsiella spp. 17.1 0 <0.05
Escherichia coli 21.1 0 <0.05
Enterococcus spp. 14.5 0 0.062
Chromobacterium violaceum 0 12.5 <0.05
Serratia marcescens 2.6 0 1
Proteus spp. 3.9 0 1
Staphylococcus spp. 2.6 0 1