Research Article
Heavy Metals in Water and Sediment: A Case Study of Tembi River
Table 3
Comparison of average of heavy metals concentration in upstream and downstream of Tembi River with guideline for water (mg/L) [
10–
13].
| Heavy metals | Cd | Cr | Cu | Fe | Mn | Ni | Pb | Zn |
| sampling point | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | Average | 0.17 | 0.25
| 0.19 | 0.29
| 0.47 | 0.57
| 0.56 | 0.96
| 0.45 | 0.94
| 0.48 | 0.68
| 1.13 | 1.4
| 0.2 | 0.35 | Drinking water standards | 0.005 | 0.1 | 1.3 | 0.3 | 0.05 | — | 0.00 | 5.00 | Irrigation water standards
| 0.01 | 0.1 | 0.2 | — | 2.00 | 0.2 | 5.00 | 2.00 | Aquatic life standards | 0.01 | 0.05 | 0.05 | — | 0.1
| — | 0.05 | <0.1 | Surface water standards | 0.01 | 0.16 | — | — | 0.1 | 0.144 | 0.005 | — |
|
|
1: upstream; 2: downstream.
|