Vertical Tabs Air qualityBackyard burning, dust and sand drift, odours and Fremantle Ports' sheep ship smell and wood smoke and wood heaters. Water qualityTreated recreational water, natural water and drinking water. Effluent disposalAerobic treatment units, grey water reuse systems and septic tanks and decommissioning. Smoking laws in FremantleWestern Australia's smoking laws aim to protect children and adults from the harmful consequences of passive smoking and target the promotion of tobacco products.