Western Australia is experiencing rapid growth and this has increased the risk of encroachment of residences into the area surrounding wastewater treatment plants. The conflict between the long term operation of a treatment plant and the desire to build residences near treatment plants must be resolved by robust land use planning. This paper describes the management of odour risks for wastewater treatment plants in Western Australia using odour modelling, community surveys, land use planning, improved plant operations and buffer zone management.

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