Our Services » Environment

Drainage

• The Drainage Section is concerned with the collection, transport and treatment of domestic and industrial wastewater from houses, commercial premises, factories, hospitals, schools etc. in the City

• It achieves this through a network of sewers, culverts and tunnels extending over 500km, through most streets and lanes in the City, 18 pumpstations and a large biological treatment plant.

• On average 100,000 cubic metres of wastewater is treated each day.

• In addition surface water is collected from premises and roads and conveyed by sewers and culverts to rivers and streams in and around the City.