Overview
Chilla wastewater treatment plant serves Delhi, India, with a population equivalent of 270,588. It is an operational facility under India's regulatory framework for urban wastewater management.
Chilla is a wastewater treatment plant located in Mayur Vihar Tehsil, East Delhi, Delhi, India. It serves a population equivalent of approximately 270,588, classifying it as a large agglomeration under Indian urban wastewater standards. The plant is operational and plays a key role in managing the city's wastewater. Plants of this scale in India are typically required to meet secondary treatment standards under the Water (Prevention and Control of Pollution) Act, 1974, and the National Green Tribunal's directives. The Central Pollution Control Board (CPCB) sets effluent discharge norms for such facilities to protect water quality. The treated effluent from Chilla likely discharges into the Yamuna River, which flows through Delhi and is a major tributary of the Ganges. The Yamuna is ecologically significant, supporting diverse aquatic life and providing water for irrigation and drinking downstream. Proper treatment is critical to reduce pollution loads in this heavily stressed river system.
Environmental context
Chilla's treated wastewater likely enters the Yamuna River, which flows through Delhi and joins the Ganges in Uttar Pradesh before reaching the Bay of Bengal. The Yamuna is a vital water source but faces significant pollution challenges from urban and industrial discharges. Effective treatment at Chilla helps mitigate ecological impacts on downstream aquatic habitats and supports the river's role in regional water supply.
Frequently asked questions
Chilla is located in Mayur Vihar Tehsil, East Delhi, Delhi, India, with coordinates 28.587 N, 77.299 E.
Chilla serves a population equivalent of approximately 270,588, making it a large agglomeration under Indian wastewater management standards.
Chilla likely discharges treated effluent into the Yamuna River, a major tributary of the Ganges. Proper treatment helps reduce pollution in the Yamuna, which is critical for downstream communities and ecosystems.
Chilla operates under India's Water (Prevention and Control of Pollution) Act, 1974, and CPCB effluent discharge standards. Large plants like Chilla are expected to meet secondary treatment requirements to protect water quality.
For a plant of this scale in India, secondary treatment (e. g. , activated sludge process) is standard, often followed by disinfection. The CPCB mandates compliance with prescribed discharge limits for organic matter and suspended solids.
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