Overview
Gwandalan wastewater treatment plant serves the Central Coast region of New South Wales, Australia. It is an operational facility with a designed capacity of 1.00 megalitres per day, serving a population of approximately 9,132.
Gwandalan wastewater treatment plant is located on Kanangra Drive in Gwandalan, within the Central Coast Council area of New South Wales, Australia. The facility serves a population of around 9,132 residents and has a designed capacity of 1.00 megalitres per day. As an Australian plant, it operates under the regulatory framework of the New South Wales Environment Protection Authority (EPA), which issues environment protection licences for wastewater discharges. For a plant of this scale, secondary treatment is typically required, with additional nutrient removal in sensitive catchments. The plant's treated effluent is discharged into the local catchment, which ultimately drains to Lake Macquarie, a large coastal lagoon and important ecological habitat. Lake Macquarie supports diverse aquatic life and is a key recreational and environmental asset for the region.
Environmental context
The plant discharges into the Lake Macquarie catchment, a large coastal lagoon connected to the Tasman Sea. Lake Macquarie is an ecologically sensitive water body that supports seagrass beds, mangroves, and diverse fish and bird species. The region's subtropical climate and urban development make nutrient management critical to prevent algal blooms and maintain water quality.
Frequently asked questions
The plant is located on Kanangra Drive in Gwandalan, within the Central Coast Council area of New South Wales, Australia.
The plant serves approximately 9,132 residents in the Gwandalan area.
The treated effluent is discharged into the Lake Macquarie catchment, a large coastal lagoon that connects to the Tasman Sea.
The plant operates under the New South Wales Environment Protection Authority (EPA) licensing system, which sets discharge limits for nutrients and other pollutants to protect receiving waters.
For a plant of this scale, secondary treatment is standard, often with additional nutrient removal to protect sensitive coastal lagoons like Lake Macquarie.
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