372GOVERNMENT GAZETTE, WA 16 February 2022

372 GOVERNMENT GAZETTE, WA 16 February 2022 (b) covered with a tight–fitting cover without openings of any sort other than those essential for the insertion of a pump; and (c) compliant with the requirements of the Health Act (Underground Water Supply) Regulations 1959. 3.10 Pollution A person shall not deposit on or under any land, any sewage, offensive matter or any other thing which may pollute or render unfit for human consumption, water from a well or other underground source. Division 4—Second-hand furniture, bedding and clothing 3.11 Prohibition on sale A person shall not offer for sale or sell any second-hand furniture, bedding or clothing, which is filthy or infested with vectors of disease. 3.12 Prohibition of possession A dealer in second-hand furniture, bedding or clothing shall not have on any premises used for the operation of the business any second-hand furniture, bedding or clothing which is filthy or infested with vectors of disease. PART 4—LIQUID REFUSE AND LIQUID WASTE 4.1 Interpretation liquid refuse includes all washings from the commercial cleaning of vehicles, overflow, bleed off, condensate and drainage from air conditioning equipment including cooling towers and evaporative coolers and other liquid used for cooling purposes and swimming pool discharges; liquid waste means— (a) wastewater or any other waste in liquid form from domestic, industrial or commercial activities, other than effluent; (b) includes bathroom, kitchen, scullery and laundry wastes, all washings from animal and poultry pens and any other domestic or trade wastes that are discharged by means of a drain to a receptacle for drainage; and (c) includes waste from any process or activity, whether useful or useless, that is in liquid form and includes paint, fuel, grease, fat, oil, degreaser, solvent, detergent, chemical, animal waste, food waste, effluent and all discharges of liquid to land, air or water that are not otherwise authorised by a written law but does not include uncontaminated stormwater; and receptacle for drainage has the same meaning as in the Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974. 4.2 Deposit of liquid refuse (1) A person shall not deposit or cause or permit to be deposited liquid refuse— (a) on a street; (b) in a stormwater disposal system; or (c) on any land or place other than a place or depot duly authorised for that purpose. (2) Notwithstanding subclause (1), in the case of swimming pool back wash water, discharge is permitted— (a) into soak wells of adequate capacity; or (b) onto a road verge for the purpose of watering gardens or vegetation, without discharge onto a road or into a stormwater drain. (3) The owner or occupier of land on which a swimming pool is constructed shall ensure that backwash water is not permitted to discharge onto or run-off onto adjacent land or so as to cause a nuisance, or cause damage to any structures situated on adjacent land. 4.3 Disposal of liquid waste (1) The owner or occupier of premises shall— (a) provide, by one of the methods prescribed in this clause, for the disposal of all liquid waste produced on the premises; and (b) at all times maintain in good working order and condition any apparatus used for the disposal of liquid waste. (2) Liquid waste shall be disposed of by one of the following methods— (a) discharging it into the sewerage system of a licensed water service operator in a manner approved by the licensed water service operator; (b) discharging it into an apparatus for the treatment of sewage and disposal of effluent and liquid waste approved by the Chief Health Officer or an authorised person; or (c) collection and disposal at an approved liquid waste disposal site in a manner approved by the Chief Health Officer.