Salori Wastewater Treatment Plant, Prayagraj, Uttar Pradesh

Salori wastewater treatment plant is located in Prayagraj (formerly Allahabad), Uttar Pradesh, India, at Bakshi Bandh, Chhota Baghara. The plant serves a population of 193,755, classifying it as a large agglomeration under Indian urban wastewater management standards. It is situated in the northern plains of India, a region with a subtropical climate and significant seasonal rainfall. The plant operates under India's regulatory framework for wastewater treatment, which includes the Water (Prevention and Control of Pollution) Act, 1974, and the National Green Tribunal guidelines. For a plant of this scale, secondary treatment is typically required, with possible nutrient removal to protect downstream water quality. It is expected to meet the standards set by the Uttar Pradesh Pollution Control Board. The treated effluent from Salori plant is discharged into the Ganges River basin, which is a major river system in India. The Ganges supports diverse aquatic life and provides water for millions of people. The plant plays a crucial role in reducing pollution load in the river, especially given Prayagraj's significance as a pilgrimage site where the Ganges, Yamuna, and Saraswati rivers meet.

The Salori plant discharges into the Ganges River basin, which flows southeast through the Gangetic plains and ultimately into the Bay of Bengal. The Ganges is a vital water source for agriculture, drinking water, and religious practices, but it faces significant pollution pressures from urban and industrial sources. The plant helps mitigate these impacts by treating wastewater from a large population, reducing organic load and pathogens that could harm downstream ecosystems and communities.