Overview
Bidyadanga wastewater treatment plant in Western Australia serves a small coastal community of 597 people with secondary treatment, discharging treated effluent into the local environment near the Indian Ocean.
Bidyadanga wastewater treatment plant is located in the remote Aboriginal community of Bidyadanga, Western Australia, approximately 180 km south of Broome. The plant serves a small population of 597 residents and is situated within 10 km of the coast, making it a coastal facility. As an operational secondary treatment plant, it manages the community's wastewater needs in a region characterized by a semi-arid tropical climate. With secondary treatment, the plant provides biological treatment to reduce organic matter and suspended solids before discharge. For small remote communities in Australia, such treatment levels are typical under state environmental regulations administered by the Western Australian Department of Water and Environmental Regulation. The plant's discharge volume is approximately 154.56 megaliters per year, reflecting the modest scale of the community. The treated effluent is discharged into the local environment, likely infiltrating into the sandy soils or evaporating in evaporation ponds, as is common in remote arid regions. The area drains toward the Indian Ocean, with the nearest significant water body being the coast of the Indian Ocean. The surrounding environment supports unique coastal ecosystems, including mangrove communities and migratory bird habitats, which are sensitive to nutrient inputs from wastewater discharges.
Environmental context
The plant discharges into the local coastal environment near the Indian Ocean, part of the broader Kimberley region. The receiving environment includes seasonal creeks and groundwater that eventually reach the ocean. This area supports ecologically sensitive habitats such as mangroves and intertidal zones that provide nursery grounds for marine species and feeding areas for migratory shorebirds. Nutrient and pathogen management from the secondary treatment process is critical to protect these coastal ecosystems.
Frequently asked questions
The plant is located on Ponds Street in Bidyadanga, a remote Aboriginal community in the Shire of Broome, Western Australia, Australia.
The plant serves a small community of 597 residents, typical of remote settlements in the Kimberley region.
The plant provides secondary treatment, which includes biological processes to reduce organic matter and suspended solids before discharge.
The treated effluent is discharged into the local environment, likely via infiltration or evaporation, given the remote coastal setting and lack of a named receiving water body.
The plant operates under Western Australian environmental regulations administered by the Department of Water and Environmental Regulation, which set discharge standards for small coastal communities.
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