Overview
The Zhejiang wastewater treatment plant serves Yiwu City, Zhejiang Province, China, with a population of 30,000. It operates under China's national wastewater discharge standards.
The Zhejiang wastewater treatment plant is located in Yiwu City, within Jinhua City, Zhejiang Province, China. It serves a population of approximately 30,000 people, placing it in the small-to-medium agglomeration category. The plant is situated near the Yongjin Expressway in a region known for its industrial and commercial activity. As a facility in China, the plant is subject to the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity. For plants serving populations around 30,000, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on local environmental conditions. The plant discharges into local waterways that eventually drain into the Qiantang River basin, which flows into the East China Sea. The region's water bodies support diverse aquatic life and are important for irrigation and industrial use. Proper treatment is essential to protect downstream ecosystems and water quality in this densely populated area.
Environmental context
The plant's treated effluent enters local streams that are part of the Qiantang River basin, which ultimately discharges into Hangzhou Bay and the East China Sea. This watershed supports a variety of aquatic species and provides water for agriculture and industry in Zhejiang Province. The downstream environment includes ecologically sensitive areas that rely on good water quality to sustain biodiversity and human uses.
Frequently asked questions
The plant is located in Yiwu City, Jinhua City, Zhejiang Province, China, near the Yongjin Expressway.
The plant serves approximately 30,000 people in the Yiwu area.
The plant discharges treated effluent into local streams that flow into the Qiantang River basin, eventually reaching the East China Sea.
The plant operates under China's national standard GB 18918-2002, which sets discharge limits for pollutants based on the sensitivity of the receiving water body.
For a plant of this size in China, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, ensuring protection of downstream water quality.
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