Table 2.
Physical parameters and meteorologic data of each sampling location in peninsular Malaysia and southeastern coast of Thailand*
| Location | Water sample (no.) | Baseline data of water samples on sampling day (mean ± SD) | |||||
|---|---|---|---|---|---|---|---|
| Humidity (%) | Temperature (°C) | Turbidity (NTU) | Salinity (ppt) | Others | |||
| Drinking/household water | |||||||
| Malaysia | Mineral water (1) | – | 19.20 | 0.13 | 0.07 | pH | 6.93 ± 0.06 |
| Drinking water (1) | – | 17.70 | 0.18 | 0.08 | DO | 5.7 ± 3.03 | |
| Tap water (2) | 84.67 ± 12.1 | 24.79 ± 0.69 | 2.01 ± 1.53 | 0.04 ± 0.01 | TDS | 0.06 ± 0.04 | |
| Rain water (1) | 88.67 ± 6.43 | 21.11 | 1.66 | 0 | |||
| Thailand | Mineral water (1) | – | 25.47 | 0.16 | 0.24 | pH | 6.85 ± 0.36 |
| Drinking water (1) | – | 28.28 | 0.27 | 0.06 | DO | 4.07 ± 2.74 | |
| Rain water (1) | 84 | 25.2 | 1.37 | 0 | TDS | 0.12 ± 0.14 | |
| Recreational/environmental water | |||||||
| Malaysia | Treated: swimming pool (1) | 72 ± 4.24 | 23.62 | 1.02 | 0.17 | pH | 6.98 |
| DO | 16.1 | ||||||
| Untreated: Lake Garden 1 (7) | 67.33 ± 4.51 | 31.55 ± 0.65 | 24.64 ± 2.62 | 0.05 ± 0.01 | TDS | 0.23 | |
| Lake Garden 2 (2) | 60 | 32.11 ± 1.48 | 9.99 | 0.03 | pH | 6.34 ± 1.16 | |
| Lake Garden 3 (12) | 69.8 ± 4.38 | 29.06 ± 0.48 | 15.45 ± 6.66 | 0.06 ± 0.01 | DO | 10.68 ± 3.77 | |
| River (3) | 68 ± 3.6 | 28.7 | 22.27 | 0.23 ± 0.003 | TDS | 0.07 ± 0.02 | |
| Waterfall (3) | 71 ± 5.44 | 27.8 | 1.07 | 0.02 ± 0.001 | |||
| Thailand | Natural lake (7) | 87.25 ± 2.36 | 27.58 ± 0.6 | 88.71 ± 61.11 | 13.53 ± 6.55 | ||
| Reservoir lake (6) | 68.2 ± 12 | 30.85 ± 0.46 | 9.86 ± 1.89 | 0.02 | pH | 6.54 ± 0.92 | |
| River 1(3) | 79 ± 4.58 | 28.63 ± 057 | 61.57 ± 44.07 | 0.05 | DO | 13.68 ± 6.25 | |
| River 2 (3) | 71 ± 5.66 | 30.58 ± 0.48 | 15.3 ± 2.4 | 0.32 ± 0.36 | TDS | 0.1 ± 0.21 | |
| Waterfall (3) | 85 ± 1.41 | 24.86 ± 0.3 | 4.93 ± 0.06 | 1.68 ± 2.89 | (except natural lake: 14.48 ± 6.57 g/L) | ||
| Pond 1 (2) | 69 ± 2.83 | 29.80 ± 0.05 | 1.04 ± 0.03 | 0.05 | |||
| Pond 2 (2) | 78.5 ± 0.71 | 30.34 ± 0.35 | 54.7 ± 11.03 | 0.05 | |||
| Waste or effluent water | pH | 7 ± 0.04 | |||||
| DO | 7.05 ± 0.92 | ||||||
| Thailand | Treatment plant (2) | 73 ± 2.83 | 31.64 ± 1.32 | 38.1 ± 18.1 | 0.18 | TDS | 0.25 ± 0.01 |
NTU = nephelometric turbidity units; DO = dissolved oxygen (mg/L); TDS = total dissolved oxygen (g/L) of total dissolved solids.