Sector 50 Wastewater Treatment Plant, Noida, Uttar Pradesh

Sector 50 is a wastewater treatment plant located in Noida, a city in the Gautam Buddha Nagar district of Uttar Pradesh, India. It serves a population equivalent of 227,161, placing it in the large agglomeration category under Indian urban wastewater management norms. The plant is operational and plays a key role in the sanitation infrastructure of the Delhi National Capital Region. As a large-scale facility, Sector 50 is expected to meet the treatment standards set by the Central Pollution Control Board (CPCB) under the Water (Prevention and Control of Pollution) Act, 1974. Indian regulations mandate secondary treatment for such agglomerations, with tertiary treatment increasingly required for discharge into sensitive water bodies or for reuse. Typical facilities in this region employ activated sludge or sequencing batch reactor technologies. The treated effluent from Sector 50 likely discharges into the Yamuna River basin, which flows through the Delhi-NCR region and ultimately drains into the Bay of Bengal via the Ganges. The Yamuna is a major river supporting diverse aquatic life and providing water for agriculture and drinking, but it faces significant pollution pressures from urban and industrial sources. The plant's operation helps mitigate the environmental impact on this critical waterway.

Sector 50 plant discharges into the Yamuna River basin, a tributary of the Ganges, which flows through the densely populated Indo-Gangetic Plain before reaching the Bay of Bengal. The Yamuna is ecologically significant, supporting fish populations and providing water for irrigation and domestic use. However, it is heavily impacted by untreated sewage and industrial effluents, making the plant's treatment role crucial for maintaining water quality and protecting downstream ecosystems.