Assessment of the Effect of Solid Waste Dump Site on Surrounding Soil and River Water Quality in Tepi Town, Southwest Ethiopia

Table 3

Heavy metal result of river water samples at Tepi town solid waste dump site along different sample locations and guideline values.

Parameters	US	DS1	DS2	EEPA (2003) standard	WHO (2004) standard
Cadmium (mg/l)	Bdl	Bdl	Bdl	0.005	0.003
Copper (mg/l)	Bdl	0.02 ± 0.95	0.018 ± 1.04	0.05–1.1	2
Lead (mg/l)	Bdl	Bdl	Bdl	0.1	0.05
Zinc (mg/l)	0.211 ± 0.2	0.39 ± 0.18	0.34 ± 0.2	0.5	0.05
Nickel (mg/l)	Bdl	0.08 ± 0.1	0.06 ± 0.13	0.1	0.02
Manganese (mg/l)	0.18 ± 0.01	0.4 ± 0.1	0.22 ± 0.1	0.3	0.1