Table 3.
The number of microorganisms in soils colony-forming unit per gram (CFU/g) irrigated by wastewater.
| Microbes | Microbes Count | Reference |
|---|---|---|
| Coliforms | 3.3 × 102 cfu/g | [130] |
| Coliforms Fecal Coliforms |
4.39 × 103/100 mL 7.5 × 107 cfu/g |
[131] |
| Fecal streptococci Fecal coliform |
65 240 |
[132] |
| Bacteria (Escherichia coli, Staphylococcus aureus, Streptococcus faecalis) |
7.6 × 107 cfu/g 4.6 × 107 cfu/g |
[133] |
| Fungi (Aspergillus niger, Aspergillus fumigatus, Aspergillus flavus) |
6.0 × 106 cfu/g 9.0 × 106 cfu/g |
|
| Bacteria (Lactobacillus plantarum, Pseudomonas aeruginosa) |
3.36 × 107 cfu/g | [134] |
| Salmonella Shigella Clostridium bacteria |
3.5 × 106 cfu/g 5.4 × 104 cfu/g 7.8 × 102 cfu/g 5.1 × 104 cfu/g |
[135] |
|
Penicillium expansum Aspergillus spp. |
5.45 × 104 cfu/g 1.30 ×105 cfu/g |
[135] |
| Escherichia coli | 8.0 × 106 cfu/g 3.8 × 106 cfu/g |
[136] |
| Bacteria Actinomycetes Fungi |
1.34 × 107 cfu/g 2.21 × 106 cfu/g 9.99 × 103 cfu/g |
[137] |
| Total coliforms | 2.1 × 103 cfu/g 4.2 × 103 cfu/g |
[138] |
| Fecal coliforms | 1.2 × 102 cfu/g 4.2 × 102 cfu/g |