DWA Industry Guide Watermanagement, Wastewater-Waste

3.3.4 stormwater retention

3.3.5 stormwater infiltration

4.3.1 Petrol separators

4.3.2 Grease traps

4.3.3 Oil separators

4.4.3 Drainage channels, slot channels

4.4.4 House, courtyard and street outlets

4.8.3 treatment of stormwater

4.8.5 stormwater retention basins

4.8.9 sedimentationsplants (for stormwater)

4.8.10 infiltration