Table 3 The microbial population of groundwater samples in September 2021.
Water sample | Odor | Aspect | Log10 CFU mg L−1 | BGA | |||||
|---|---|---|---|---|---|---|---|---|---|
TBC | TC | FC | E. coli | FS | |||||
22 °C/48 h | 37 °C/24 h | ||||||||
WD2 | Odorless | Clear | 5.3 ± 0.4b | 4.2 ± 0.2b | – | – | – | – | – |
WD10 | Odorless | Clear | 5.0 ± 0.2b | 3.9 ± 0.1b | – | – | – | – | – |
WD12 | Odorless | Clear | 4.8 ± 0.9c | 3.5 ± 0.3bc | – | – | – | – | – |
WD14 | Odorless | Clear | 7.5 ± 0.5a | 6.7 ± 0.5a | – | – | – | – | – |
WD17 | Odorless | Clear | 4.6 ± 0.1c | 3.3 ± 0.4c | – | – | – | – | – |