Sewerage and Drainage (Sanitary Works) Regulations (No. S 167 of 1999). Country/Territory Singapore Document type Regulation Date 1999 (2007) Source FAO, FAOLEX Subject Water Keyword Sewerage Waterworks Geographical area Asia, Small Island Developing States, South-Eastern Asia Abstract These Regulations set out requirements to carry out sanitary works and to obtain approval for sanitary appliances, and provide for maintenance and inspection of sanitary plumbing and drainage system. Full text English Website statutes.agc.gov.sg References - Legislation Implements Sewerage and Drainage Act 10 of 1999 (Chapter 294). Legislation | Singapore | 1999 (2015) Keyword: Basic legislation, Sewerage, Drainage/land reclamation, Effluent waste water/discharge, Hazardous substances, Industrial water use, Inspection, Liability/compensation, Organic waste, Public water, Waste disposal, Waste domestic sources, Waste non-domestic sources, Waterworks, Well sinking/boreholes, Certification Source: FAO, FAOLEX