Kondungaiyur a Wastewater Treatment Plant, Chennai, Tamil Nadu

Kondungaiyur a is a wastewater treatment plant situated in the Tondiarpet area of Chennai Corporation, Tamil Nadu, India. It serves a large population of approximately 734,932 people, classifying it as a major agglomeration under Indian urban wastewater management standards. The plant is operational and plays a key role in the city's sanitation infrastructure. Plants of this scale in India are typically expected to provide at least secondary treatment, with many larger facilities incorporating tertiary treatment to meet environmental standards. The designed capacity is recorded as 1.00, though the unit is unspecified. The plant operates under India's regulatory framework, which includes the Water (Prevention and Control of Pollution) Act, 1974, and is likely overseen by the Tamil Nadu Pollution Control Board. The treated effluent from Kondungaiyur a is discharged into the local water system, which ultimately drains into the Bay of Bengal via the Chennai coastal area. The plant's proximity to the coast (within 50 km) means its discharge can impact coastal water quality and marine ecosystems. Proper treatment is essential to protect the sensitive coastal environment and support the health of local fisheries and biodiversity.

Kondungaiyur a discharges into the Chennai coastal watershed, which flows into the Bay of Bengal. The coastal waters support diverse marine life and are important for local fishing communities. The plant's location within 50 km of the coast means that treated effluent must meet standards to prevent eutrophication and protect the sensitive coastal ecosystem from nutrient loading and other pollutants.