Research Article
Water Sources Quality in Urban Slum Settlement along the Contaminated River Basin in Indonesia: Application of Quantitative Microbial Risk Assessment
Table 4
The risk of infection due to consumption of various types of water sources.
| Type of water source | Concentration of fecal Coliform (CFU/100 ml) | Dose of consume fecal Coliform (CFU/person/day) (Equation (1)) | Probability of infection cause by fecal Coliform (Equation (2)) | Annual probability (Equation (3)) |
| Bottled water | 0.25 | 2.81 | 0.58 × 10−8 | 0.21 × 10−5 | Refill bottled water | 2.46 | 27.09 | 5.60 × 10−8 | 2.04 × 10−5 | Tap water | 1.35 | 14.86 | 3.07 × 10−8 | 1.12 × 10−5 | Borehole | 1.67 | 18.34 | 3.79 × 10−8 | 1.38 × 10−5 | Dug well | 1366.67 | 15033.34 | 3107 × 10−8 | 1127.9 × 10−5 | Spring | 60 | 660 | 136.4 × 10−8 | 49.7 × 10−5 |
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