Overview
The Zhejiang wastewater treatment plant serves Longyou County in Zhejiang, China, with a population of 4,600. It operates under China's national wastewater regulations for small-scale agglomerations.
The Zhejiang wastewater treatment plant is located in Jinxingwan, Mohuan Township, Longyou County, Quzhou City, Zhejiang Province, China. It serves a population of approximately 4,600, classifying it as a small-scale municipal facility within the region's wastewater infrastructure. The plant is situated inland, more than 50 km from the coast, and its operations are governed by China's national wastewater discharge standards, which require secondary treatment for urban wastewater. As a small agglomeration, the plant is expected to meet the treatment standards outlined in China's Water Pollution Prevention and Control Law and the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). These regulations mandate secondary biological treatment and nutrient removal where necessary to protect receiving water bodies. Typical facilities of this scale employ activated sludge or similar biological processes. The plant discharges treated effluent into local waterways that ultimately drain into the Qiantang River basin, which flows into the East China Sea. The surrounding region is characterized by agricultural and urban land uses, and the plant plays a key role in protecting downstream water quality and aquatic ecosystems from nutrient pollution and pathogens.
Environmental context
The plant's treated effluent enters local streams within the Qiantang River basin, which flows through Zhejiang Province and discharges into Hangzhou Bay and the East China Sea. The downstream environment supports diverse aquatic life and is ecologically sensitive to nutrient loading from wastewater. The plant's operation helps mitigate eutrophication risks in the river and coastal waters, contributing to the health of the regional watershed.
Frequently asked questions
The plant is located in Jinxingwan, Mohuan Township, Longyou County, Quzhou City, Zhejiang Province, China.
The plant serves approximately 4,600 people, classifying it as a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into local waterways that are part of the Qiantang River basin, which ultimately flows into the East China Sea.
The plant operates under China's Water Pollution Prevention and Control Law and the national discharge standard GB 18918-2002, which sets limits for pollutants like COD, BOD, and nutrients.
For small agglomerations in China, secondary biological treatment such as activated sludge or sequencing batch reactors is typical, often with disinfection to meet discharge standards.
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