Overview
M/s Chennai Metropolitan Water Supply and Sewage Board New Perungudi 54 MLD STP serves Chennai Corporation, Tamil Nadu, India. This operational plant treats wastewater for over 360,000 people with a designed capacity of 1.00 MLD.
M/s Chennai Metropolitan Water Supply and Sewage Board New Perungudi 54 MLD STP is a wastewater treatment plant located in the Perungudi zone of Chennai Corporation, Tamil Nadu, India. It serves a population of approximately 360,785, making it a large agglomeration under Indian urban wastewater management standards. The plant is operated by the Chennai Metropolitan Water Supply and Sewage Board (CMWSSB) and is part of the city's extensive sewerage infrastructure. As a large-scale facility, the plant is expected to meet secondary treatment standards as per India's environmental regulations, which align with the Water (Prevention and Control of Pollution) Act, 1974. The designed capacity is 1. The plant's operational status indicates it is actively treating wastewater to protect public health and the environment. The treated effluent likely discharges into local water bodies that drain into the Bay of Bengal, given Chennai's coastal location. The plant plays a critical role in reducing pollution in the Adyar River and other waterways, supporting downstream ecosystems and the coastal environment. Its location within 50 km of the coast underscores the importance of proper treatment to prevent marine pollution.
Environmental context
The plant is situated in Chennai, a coastal city on the Bay of Bengal. Treated wastewater likely enters the Adyar River or Buckingham Canal, which flow into the Bay of Bengal. This coastal discharge zone supports diverse marine life and is an important fishing ground. Proper treatment is essential to prevent eutrophication and protect the sensitive coastal ecosystem from nutrient pollution.
Frequently asked questions
The plant is located in Perungudi, Chennai Corporation, Tamil Nadu, India, specifically in Ward 186, Zone 14, near Sholinganallur.
The plant serves approximately 360,785 people, classifying it as a large agglomeration under Indian wastewater management standards.
The treated effluent is likely discharged into local waterways such as the Adyar River or Buckingham Canal, which ultimately drain into the Bay of Bengal.
The plant operates under India's Water (Prevention and Control of Pollution) Act, 1974, which mandates treatment standards for municipal wastewater. Large plants like this are expected to provide at least secondary treatment.
For a large agglomeration of this size, secondary treatment is the minimum requirement under Indian regulations, often with nutrient removal to protect coastal waters.
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