Overview
STP Paonta Sahib Zone III is a non-operational wastewater treatment plant in Paonta Sahib, Himachal Pradesh, India. It was designed to serve a population of 11,492.
STP Paonta Sahib Zone III is a wastewater treatment plant located in Paonta Sahib, Sirmaur district, Himachal Pradesh, India. The plant was designed to serve a population of 11,492, placing it in the small-to-medium agglomeration category. It is currently non-operational. As a plant in India, it would typically be subject to the Water (Prevention and Control of Pollution) Act, 1974, and the Environment (Protection) Act, 1986, which set discharge standards for treated wastewater. For a plant of this scale, secondary treatment is generally expected, with possible nutrient removal if discharging into sensitive water bodies. The plant is located inland, more than 50 km from the coast, and its treated effluent would likely discharge into a local river or stream within the Yamuna River basin, which ultimately flows into the Bay of Bengal. The surrounding area is part of the Shivalik Hills, with ecological significance for local biodiversity and downstream water quality.
Environmental context
The plant is situated in the Yamuna River basin, with potential discharge into tributaries of the Yamuna, which flows through the Indo-Gangetic Plain and into the Bay of Bengal. The region supports diverse aquatic life and is important for migratory birds. Proper treatment is essential to prevent nutrient loading and contamination of downstream water sources.
Frequently asked questions
STP Paonta Sahib Zone III is located in Paonta Sahib, Sirmaur district, Himachal Pradesh, India, with coordinates 30.435 N, 77.628 E.
The plant was designed to serve a population of 11,492, classifying it as a small-to-medium agglomeration.
The plant is currently non-operational.
In India, wastewater treatment plants operate under the Water (Prevention and Control of Pollution) Act, 1974, and the Environment (Protection) Act, 1986, which set effluent discharge standards. State pollution control boards issue permits and monitor compliance.
For a plant of this scale, secondary treatment is typically required, often involving biological processes like activated sludge or sequencing batch reactors. Tertiary treatment may be needed if discharging into sensitive water bodies.
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