Newsletter and Technical Publications
<International Source Book On Environmentally Sound Technologies
for Wastewater and Stormwater Management>
Figure 1.1: Lake Victoria - impact of urbanisation and pollution
The discharge of organic and other oxidizable materials in
stormwater runoff imposes much oxygen demand on the receiving waters and results
in oxygen depletion which could lead to anaerobic conditions (Coleman, 1993).
Figure 1.2: Quality of stormwater runoff from roads.
Figure 1.3: Quality of stormwater runoff from roofs.