Assessment of Levels, Speciation, and Toxicity of Trace Metal Contaminants in Selected Shallow Groundwater Sources, Surface Runoff, Wastewater, and Surface Water from Designated Streams in Lake Victoria Basin, Uganda

Table 5

A summary of the percentage of selected protected springs in Kampala city with levels of trace elements in water above and below the WHO guidelines, Canadian guidelines, and Ugandan standards.

Element	B	Sb	Ni	Cu	Zn	Cd	Ba	Pb
Springs above Ugandan guidelines	—	—	—	0	0	0	0	0
Springs below Ugandan guidelines	—	—	—	100	100	100	100	100
Springs above WHO guidelines	0	0	0	0	0	0	8.3	0
Springs below WHO guidelines	100	100	100	100	100	100	91.7	100
Springs above Canadian guidelines	0	8.3	—	0	0	0	0	0
Springs below Canadian guidelines	100	91.7	—	100	100	100	100	100