Overview
Leeman wastewater treatment plant in Western Australia serves a small coastal community with secondary treatment, discharging treated effluent near the Indian Ocean.
Leeman wastewater treatment plant is located in the small coastal town of Leeman, Western Australia, within the Shire of Coorow. The plant serves a population of approximately 361 residents and operates under secondary treatment standards, which is typical for small, remote communities in Australia. As a secondary treatment facility, the plant uses biological processes to reduce organic matter and suspended solids before discharge. The plant's discharge volume is reported at 93.40 megalitres per year, reflecting the modest scale of the community it serves. Australian wastewater treatment plants are regulated under state and national guidelines, with the Western Australian Department of Water and Environmental Regulation overseeing compliance. The plant is situated within 10 km of the coast, and treated effluent is discharged into the local environment, ultimately reaching the Indian Ocean. This coastal discharge requires careful management to protect marine ecosystems, including seagrass beds and fish habitats that are sensitive to nutrient inputs. The region's Mediterranean climate with dry summers means that receiving waters may have limited dilution capacity during low-flow periods.
Environmental context
The plant discharges treated wastewater into the coastal waters of the Indian Ocean near Leeman. This area supports diverse marine life, including coral reefs and fish populations, and is part of the broader Ningaloo Coast ecosystem. Nutrient and pathogen removal through secondary treatment helps minimize impacts on these sensitive marine habitats.
Frequently asked questions
The plant is located in Leeman, a small coastal town in the Shire of Coorow, Western Australia, Australia.
The plant serves approximately 361 residents, making it a small-scale facility for a remote coastal community.
The plant uses secondary treatment processes and discharges treated effluent into the local environment, which ultimately reaches the Indian Ocean.
The plant operates under Australian state and national regulations, with oversight from the Western Australian Department of Water and Environmental Regulation, which sets discharge standards for coastal facilities.
For small communities like Leeman, secondary treatment is standard, providing biological removal of organic matter and solids to protect receiving waters.
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