[Download whole Booklet]   Guidance Notes on Discharges from Village Houses CONTENTS Introduction [Download PDF] How does a Septic Tank System (STS) work [Download PDF] Control what goes into your STS [Download PDF] Inspect, desludge and repair your STS [Download PDF] What to do if your STS floods or overflows [Download PDF] Disposal of sullage [Download PDF] If your STS do not receive sullage [Download PDF] If you do not have a STS [Download PDF] Precautions when planning for a new STS [Download PDF] Connecting to communal sewer [Download PDF] Legal requirements under the Water Pollution Control Ordinance (WPCO) [Download PDF] Further information [Download PDF] Regional Office Boundary Map [Download PDF] Record of Inspection, Desludging and Repair Work [Download PDF] Some Immediate Action to take [Download PDF] List of contractors undertaking inspection, desludging and repair work [Download PDF]

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Last revision date: 28 April 2006

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