A Guide to the Water Pollution Control Ordinance

Discharges Subject to Control
8. Discharges of domestic sewage into communal sewers and unpolluted water into stormwater drains, river courses and water bodies are not under control. However, the discharges from sewage treatment plants and septic tanks are subject to control.
All other effluents, whether discharged into communal sewers, stormwater drains, river courses or water bodies, are subject to control. These include effluents from all types of industrial, manufacturing, commercial , institutional and construction activities.
10. For a discharge subject to control, the discharger should apply for a licence from EPD and comply with its terms and conditions.
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