Zhejiang, Yinzhou | China Wastewater

Overview

The Zhejiang wastewater treatment plant serves approximately 290,000 people in Yinzhou District, Ningbo, Zhejiang Province, China. It operates under China's national wastewater discharge standards.

The Zhejiang wastewater treatment plant is located in Yinzhou District, Ningbo, within the densely populated Zhejiang Province on China's eastern coast. Serving a population of around 290,000, the plant is part of the municipal infrastructure managed by local authorities under China's Water Pollution Prevention and Control Law. With a designed capacity of 1.00 (likely in cubic meters per day or similar unit), the plant is sized for a medium-to-large agglomeration. Under Chinese regulations, plants serving over 100,000 people typically require secondary treatment with nutrient removal to meet the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). Regulatory compliance would mandate at least secondary treatment. The plant discharges into the local water system, which ultimately drains into the East China Sea via the Yong River and nearby coastal waters. The receiving environment supports fisheries and marine biodiversity, making effective treatment critical for protecting downstream ecosystems and coastal water quality.

Environmental context

The plant's treated effluent flows into the Yong River system, which empties into the East China Sea near Ningbo. This coastal region supports important fisheries and migratory bird habitats. The watershed is heavily urbanized and industrialized, placing pressure on water quality. Proper treatment is essential to prevent eutrophication and protect marine life in the receiving coastal waters.

Frequently asked questions

The plant is located in Yinzhou District, Ningbo, Zhejiang Province, China, near the Yong River.

The plant serves approximately 290,000 people in the Yinzhou area of Ningbo.

Treated wastewater is discharged into the Yong River system, which flows into the East China Sea.

The plant operates under China's Water Pollution Prevention and Control Law and must meet the national discharge standard GB 18918-2002, which requires secondary treatment with nutrient removal for plants of this scale.

For agglomerations over 100,000 people, Chinese regulations mandate at least secondary biological treatment with phosphorus and nitrogen removal to protect sensitive water bodies.