Koyambedu a Wastewater Treatment Plant, Chennai, Tamil Nadu

Koyambedu a is a wastewater treatment plant located in the Kodambakkam area of Chennai Corporation, Tamil Nadu, India. It serves a large population of approximately 400,872 people, classifying it as a major urban wastewater facility in the Chennai metropolitan region. The plant is operational and has a designed capacity of 1.00 million liters per day. As a large-scale facility in India, it is subject to the Water (Prevention and Control of Pollution) Act, 1974, and the Environment Protection Rules, which mandate treatment standards for discharge into water bodies. For agglomerations of this size, secondary treatment is typically required, with tertiary treatment in sensitive areas. The treated effluent from Koyambedu a likely discharges into local waterways that drain into the Bay of Bengal, given Chennai's coastal location. The plant plays a critical role in protecting the health of Chennai's water bodies and the coastal marine environment from untreated sewage.

Koyambedu a is situated in Chennai, a coastal city on the Bay of Bengal. The plant's treated effluent likely flows into the Cooum River or Adyar River, which drain into the Bay of Bengal. These rivers and the coastal waters support diverse aquatic life and are important for local fisheries. The discharge of treated wastewater must meet standards to prevent eutrophication and protect the sensitive coastal ecosystem.