The Urban Mobility Directorate’s Stormwater Management Service ensures that stormwater is managed so that residents do not experience flooding or uncomfortable levels of dampness. As important is ensuring that urban stormwater does not contribute to the degradation of natural environments or public health risks.

Cape Town’s stormwater system, which drains the city and prevents waterlogging, is an extensive network of built infrastructure and natural ecosystems such as rivers and wetlands. 

Some of the key functions of Catchment, Stormwater and River Management services are to plan stormwater infrastructure and control land, develop and maintain stormwater infrastructure, protect receiving waters from pollution and plan for disasters such as floods.