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Wastewater Management

Water Pollution

Common Problems Relevant Environmental Control
Effluent discharged to stormwater drain Under the Water Pollution Control Ordinance, Cap. 358, discharge of polluted waters into stormwater drains is not permitted, discharging wastewater from construction activities into sewers or elsewhere should comply with the terms and conditions of a licence issued by the EPD.

Practical Solutions

  • Apply Water Pollution Control Ordinance (WPCO) license from the EPD before discharging effluent from construction site
  • Deploy wastewater treatment facilities on site treating wastewater to meet the conditions of WPCO license prior to discharging
  • Segregate domestic sewerage from construction wastewater and surface runoff. Deploy toilet facilities on site
  • Protect drainage system and discharge point to avoid blockage
  • Conduct regular self-monitoring checks to ensure the quality of the effluent discharged meet the prescribed standard
Proprietary wastewater treatment plant using coagulant to enhance sedimentation efficiency
Proprietary wastewater treatment plant using coagulant to enhance sedimentation efficiency
 
Portable toilet
Portable toilet
 
Underground septic tank for collection of domestic sewerage
Underground septic tank for collection of domestic sewerage
 
Gully protected with wire mesh to avoid blockage of drainage system
Gully protected with wire mesh to avoid blockage of drainage system

 

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User review date: 
Friday, 16 July, 2010