Overview
Melli wastewater treatment plant under construction in Kalimpong, West Bengal, India. It will serve a population of 3,207 with secondary treatment and a designed capacity of 480 m³/day.
Melli is a wastewater treatment plant currently under construction in Kalimpong, West Bengal, India. Located along NH10, the facility is designed to serve a local population of 3,207, addressing the sanitation needs of this Himalayan town. The plant is being built to meet India's environmental standards for wastewater management in urban areas. The plant will employ secondary treatment, which is the standard biological process required for municipal wastewater in India under the Water (Prevention and Control of Pollution) Act, 1974. With a designed capacity of 480 m³/day, it is sized for the estimated flow from the community. As a new facility, it represents an investment in improving local water quality and public health. The treated effluent will likely be discharged into a local stream or river that drains into the Teesta River basin, eventually reaching the Brahmaputra River and the Bay of Bengal. The plant's operation will help reduce pollution in the sensitive Himalayan ecosystem, supporting downstream aquatic life and communities that depend on these water resources.
Environmental context
The plant is located in the Teesta River basin, a major tributary of the Brahmaputra. The Teesta originates in the Himalayas and flows through West Bengal before entering Bangladesh. The region supports diverse aquatic life and is an important ecological corridor. Proper wastewater treatment is critical to prevent nutrient loading and contamination that could harm downstream ecosystems and drinking water sources.
Frequently asked questions
The Melli wastewater treatment plant is located along NH10 in Kalimpong, West Bengal, India, in the Kalimpong-I block.
The plant is designed to serve a population of 3,207 people in the Kalimpong area.
The Melli plant will provide secondary treatment, which involves biological processes to remove organic matter and suspended solids from wastewater.
The designed capacity of the Melli plant is 480 cubic meters per day, matching the estimated wastewater discharge volume.
In India, municipal wastewater treatment plants are regulated under the Water (Prevention and Control of Pollution) Act, 1974, and must meet effluent standards set by the Central Pollution Control Board. Secondary treatment is the minimum requirement for discharge into inland surface waters.
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