Table 5.
Point risk estimates for the three pathogens at each of the water sample types.
| Population Annual Risk Values – Point Estimates | |||
|---|---|---|---|
| Water Source | Pathogen | 0.5*DL | DL |
| Neighbourhood Boreholes |
E. coli Giardia P. aeruginosa |
2.28×10−08 5.17×10−04 4.97×10−05 |
4.55×10−08 1.06×10−03 9.93×10−05 |
| Irrigation Channel |
E. coli Giardia P. aeruginosa |
3.31×10−05 3.79×10−01 2.41×10−02 |
3.31×10−05 3.79×10−01 2.41×10−02 |
| New Treatment Plant |
E. coli Giardia P. aeruginosa |
2.28×10−08 6.35×10−02 4.97×10−05 |
4.55×10−08 6.35×10−02 9.93×10−05 |
| Old Treatment Plant |
E. coli Giardia P. aeruginosa |
2.28×10−08 1.46×10−02 4.97×10−05 |
2.28×10−08 4.28×10−02 9.93×10−05 |
| Shallow Wells |
E. coli Giardia P. aeruginosa |
7.24×10−06 1.09×10−03 2.23×10−04 |
7.28×10−06 2.18×10−03 2.75×10−04 |