Table 2.
Frequency Distribution of Bacterial Strains isolated from wastewater, wastewater treatment plant and river water.
| Genus or Species | No of Isolates from | Total Number of Isolates | ||
|---|---|---|---|---|
| IWW | WTP | RW | ||
| Acinetobacter sp. | 25 | 1 | 5 | 31 |
| Aeromonas aquariorum | 3 | - | - | 3 |
| Agrobacterium tumefaciens | 3 | 2 | - | 5 |
| Alcaligenes faecalis | 1 | - | - | 1 |
| Bacillus flexus | 5 | 2 | 1 | 8 |
| Bacillus methylotrophicus | 3 | 1 | 1 | 5 |
| Bacillus safensis | 5 | - | 1 | 6 |
| Bacillus subtilis | 5 | 2 | 1 | 8 |
| Bacillus sp. | 15 | 1 | 2 | 18 |
| Enterobacter hormaechei | 6 | 1 | 1 | 8 |
| Enterobacter sp. | 20 | 1 | 3 | 24 |
| Enterobacteriaceae bacterium | 1 | - | 2 | 3 |
| Escherichia coli | 2 | 1 | - | 3 |
| Klebsiella pneumoniae | 14 | 2 | 2 | 18 |
| Lysinibacillus sp. 210_22 | 2 | 1 | - | 3 |
| Myroides marinus | 6 | 1 | 2 | 9 |
| Proteus mirabilis | 24 | 5 | 6 | 35 |
| Proteus vulgaris | 5 | 2 | 1 | 8 |
| Pseudomonas gessardii | 1 | 1 | - | 2 |
| Pseudomonas reactans | 2 | - | - | 2 |
| Pseudomonas sp. | 6 | 3 | 4 | 13 |
| Pseudomonas stutzeri | 1 | - | - | 1 |
| Serratia marcescens | 3 | 1 | - | 4 |
| Staphylococcus saprophyticus | 5 | 2 | 2 | 9 |
| Staphylococcus sp. | 6 | 1 | 2 | 9 |
| Stenotrophomonas maltophilia | 4 | 1 | 1 | 6 |
| Stenotrophomonas rhizophila | 2 | - | - | 2 |
| Stenotrophomonas sp. | 2 | - | - | 2 |
| Uncultured bacterium | 6 | 1 | 1 | 8 |
| TOTAL | 183 | 33 | 38 | 254 |
IWW, wastewater effluent; WTP, wastewater treatment plant; RW, river water. - denotes that organism not isolated from the sample.