Newsletter and Technical Publications
<International Source Book On Environmentally Sound Technologies
for Wastewater and Stormwater Management>
3.4 Stormwater collection
As mentioned in the introduction to this section (2 (3)),
stormwater naturally flows through the landscape’s natural drains. Piped
stormwater collection was a development in European cities to overcome odour and
improve aesthetic appearance of wastewater disposed with stormwater. The
covering of ditches used for combined sewerage was an intermediate step in using
natural drainage to construct sewerage for combined wastewater and stormwater
(Section 1). Piped sewerage also allows more land area for road and footpath.
With separate collection of wastewater there is an opportunity to return some
stormwater flow path to its more natural state to improve urban amenity value.