Somers Wastewater Treatment Plant, Melbourne | Coastal Facility in Victoria

Somers wastewater treatment plant is located on South Beach Road in Somers, a coastal suburb of Melbourne within the Shire of Mornington Peninsula, Victoria, Australia. The plant serves a population of approximately 22,035 residents and is classified as a medium-sized agglomeration under Australian wastewater management frameworks. The facility has a designed capacity of 1.00 ML/day and is currently operational. As a coastal plant, it operates under Victoria's State Environment Protection Policy (Waters) and the Environment Protection Act 2017, which require appropriate treatment to protect marine water quality. Australian regulatory standards typically mandate secondary or tertiary treatment for coastal discharges to safeguard the marine environment. The plant discharges treated wastewater into the waters of Western Port, a large tidal bay in Victoria that supports diverse marine life, including seagrass beds and migratory shorebirds. The bay connects to Bass Strait and ultimately the Southern Ocean. The plant plays a key role in protecting the ecological health of this sensitive coastal ecosystem.

Somers wastewater treatment plant discharges into Western Port, a large tidal embayment on the coast of Victoria, Australia. Western Port is an ecologically significant water body that supports extensive seagrass meadows, mangrove forests, and saltmarshes, providing critical habitat for fish, birds, and marine invertebrates. The bay connects to Bass Strait and the Southern Ocean. The plant's operations are subject to strict environmental regulations to minimize nutrient and pathogen loads, protecting the bay's water quality and biodiversity.