Overview
Zhejiang wastewater treatment plant serves Yongkang City, Zhejiang Province, China, with a population equivalent of 150,000. It operates under China's national wastewater discharge standards.
The Zhejiang wastewater treatment plant is located in Shizhu Town, Yongkang City, within Jinhua City, Zhejiang Province, China. It serves a population equivalent of 150,000, classifying it as a large-scale municipal facility under Chinese regulations. The plant is situated inland, approximately 50 km from the coast, and discharges into local water bodies. The plant is expected to comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). For a facility serving 150,000 people, secondary treatment with nutrient removal is typical, and stricter limits may apply if the receiving water body is in a sensitive area. Its operational scale suggests it handles significant daily flows. The treated effluent likely enters local rivers within the Qiantang River basin, which flows into Hangzhou Bay and the East China Sea. The plant plays a critical role in protecting downstream aquatic ecosystems and supporting water quality in the densely populated Zhejiang region. Its performance directly affects the ecological health of the Qiantang River estuary and coastal waters.
Environmental context
The plant discharges into the Qiantang River basin, which flows through Zhejiang Province into Hangzhou Bay and ultimately the East China Sea. The downstream environment includes ecologically sensitive estuarine and coastal habitats that support diverse aquatic life, including migratory fish species. The region's rapid urbanization and industrial activity place pressure on water quality, making effective wastewater treatment essential for maintaining ecosystem health and supporting local fisheries.
Frequently asked questions
The plant is located in Shizhu Town, Yongkang City, Jinhua City, Zhejiang Province, China.
The plant serves a population equivalent of 150,000 people.
The treated effluent is discharged into local rivers within the Qiantang River basin, which flows into Hangzhou Bay and the East China Sea.
The plant must comply with China's national standard GB 18918-2002 for municipal wastewater treatment, which sets limits on pollutants like COD, BOD, ammonia, and phosphorus.
For a plant of this scale, secondary biological treatment with nutrient removal is standard. In sensitive watersheds, tertiary treatment may be required to meet stricter discharge limits.
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