Overview
STP MCGM-BMC Sewage Treatment Plants Project Poisar River is an operational wastewater treatment plant in Mumbai, India, serving the city's municipal sewage infrastructure. It discharges into the Poisar River, a tributary of the Ulhas River system.
STP MCGM-BMC Sewage Treatment Plants Project Poisar River is an operational wastewater treatment facility located in Mumbai, India. It is part of the Brihanmumbai Municipal Corporation's (BMC) efforts to manage sewage in the city, specifically treating wastewater from the Poisar River catchment area. The plant serves the densely populated urban region of Mumbai, one of India's largest metropolitan areas. As a municipal sewage treatment plant in India, it operates under the country's environmental regulations, including the Water (Prevention and Control of Pollution) Act of 1974 and the National Green Tribunal guidelines. The treated effluent from the plant is discharged into the Poisar River, which flows into the Ulhas River and eventually reaches the Arabian Sea. This water body is ecologically significant as it supports local aquatic life and is part of the coastal ecosystem of Maharashtra. The plant plays a crucial role in reducing pollution loads in the river, protecting downstream habitats and the marine environment.
Environmental context
The Poisar River is a small river in Mumbai that flows into the Ulhas River, which empties into the Arabian Sea. The Ulhas River estuary supports diverse aquatic life, including fish and crustaceans, and is an important migratory corridor for birds. The plant's discharge affects the water quality of this river system, which is ecologically sensitive due to its proximity to the coast and urban runoff. Proper treatment helps mitigate eutrophication and protect the marine ecosystem.
Frequently asked questions
The plant is located in Mumbai, India, in the vicinity of the Poisar River. It serves the municipal sewage needs of the surrounding urban area.
As part of Mumbai's municipal sewage infrastructure, it likely serves a significant portion of the city's population, which is over 12 million.
The treated effluent is discharged into the Poisar River, which flows into the Ulhas River and ultimately reaches the Arabian Sea.
The plant operates under India's Water (Prevention and Control of Pollution) Act, 1974, and is subject to standards set by the Central Pollution Control Board (CPCB) and state pollution control boards.
For large urban agglomerations in India, secondary treatment is typically required. Common processes include activated sludge, sequencing batch reactors, or upflow anaerobic sludge blanket reactors.
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