Metropolitan Water Supply, Sewerage and Drainage By-laws 1981Law:S4638:atom:currency2024-01-03T00:00:00.0000000+08:00Metropolitan Water Supply, Sewerage and Drainage By-laws 1981S4638:2023111413162023-11-14T13:16:00.0000000+08:00Metropolitan Water Supply, Sewerage and Drainage By-laws 1981Metropolitan Water Supply, Sewerage and Drainage By-laws 1981PCO Helpdesklegislation@pco.wa.gov.au