Protection of the Environment Operations (General) Regulation 2009
56 Pollutants discharged into sewer
(1) Section 120 of the Act does not apply to the discharge of pollutants into a sewer.(2) The exemption under this clause does not apply—(a) in the case of a sewer that is within the area of operations of a sewage authority, unless the discharge of the pollutants into the sewer has the approval of that authority, or(b) in any other case, unless the discharge of the pollutants into the sewer has the lawful approval of the person having the ownership or control of the sewer.(3) In this clause, means—(a) the Sydney Water Corporation or the Hunter Water Corporation, or(b) a water supply authority constituted under the Water Management Act 2000, being an authority exercising sewerage functions under that Act, or(c) a council or county council exercising sewerage functions under Division 2 of Part 3 of Chapter 6 of the Local Government Act 1993.