Overview
Zhejiang wastewater treatment plant serves Longwan District, Wenzhou, Zhejiang, China, with a designed capacity of 1.00 unit and a population of 30,000. It is located within 50 km of the coast, discharging into local water bodies.
The Zhejiang wastewater treatment plant is located in Longwan District, Wenzhou, Zhejiang Province, China. It serves a population of approximately 30,000 people, classifying it as a medium-sized agglomeration under Chinese wastewater regulations. As a facility in China, the plant operates under national standards such as the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for various parameters. 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 the receiving water's sensitivity. The plant is situated within 50 km of the coast, indicating its treated effluent likely discharges into rivers or coastal waters that eventually reach the East China Sea. The local watershed includes the Oujiang River system, which flows through Wenzhou and supports diverse aquatic life. Proper treatment is essential to protect downstream ecosystems and coastal water quality.
Environmental context
The plant's treated effluent likely enters the Oujiang River system, which flows through Wenzhou and discharges into the East China Sea. This coastal region supports important fisheries and migratory bird habitats. Effective treatment helps prevent eutrophication and protects marine biodiversity in the receiving waters.
Frequently asked questions
The plant is located in Longwan District, Wenzhou, Zhejiang Province, China, near the coast.
The plant serves approximately 30,000 people, classifying it as a medium-sized facility.
The treated effluent likely discharges into the Oujiang River system, which flows into the East China Sea.
The plant must comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nitrogen.
For medium-sized agglomerations, secondary treatment with nutrient removal is typical, often meeting Class 1-A or 1-B standards to protect sensitive water bodies.
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