Overview
Beijing wastewater treatment plant serves Changping District, Beijing, China, with a population equivalent of 100,000. The plant discharges into local waterways within the Hai River basin.
The Beijing wastewater treatment plant is located in Changping District, a suburban area of Beijing, China. It serves a population equivalent of 100,000, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations. The plant is situated in the northern part of the Beijing municipality, near the foothills of the Yan Mountains. As a facility serving 100,000 people, it is expected to provide at least secondary treatment under China's national wastewater discharge standards (GB 18918-2002). Chinese regulations mandate that plants of this scale meet Class 1-A or 1-B standards for effluent quality, depending on the receiving water body's sensitivity. It operates within the framework of China's Water Pollution Prevention and Control Law. The plant's treated effluent likely discharges into a tributary of the Wenyu River, which flows into the Hai River system. The Hai River basin drains into the Bohai Sea, a semi-enclosed sea with significant ecological importance. The plant plays a key role in protecting downstream water quality and supporting aquatic life in the region.
Environmental context
The plant discharges into the Hai River basin, which ultimately drains into the Bohai Sea. The Bohai Sea is a critical marine ecosystem supporting fisheries and migratory bird populations. The plant's effluent contributes to the water quality of the Wenyu River and downstream waterways, which are subject to seasonal variations and urban runoff. Protecting this watershed is essential for maintaining ecological balance and reducing nutrient loads to the coastal environment.
Frequently asked questions
The plant is located in Changping District, Beijing, China, near the village of Yanmoyu in the Fengjiawan area, along Nanyang Road.
The plant serves a population equivalent of 100,000 people, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations.
The plant discharges treated effluent into local waterways within the Hai River basin, which flows into the Bohai Sea. It is part of the Wenyu River system.
The plant operates under China's national wastewater discharge standards (GB 18918-2002) and the Water Pollution Prevention and Control Law. Plants serving over 100,000 people are required to meet Class 1-A or 1-B effluent standards.
For a plant of this scale in China, secondary treatment with nutrient removal is typical, often achieving Class 1-A standards (COD ≤ 50 mg/L, NH3-N ≤ 5 mg/L) to protect sensitive water bodies.
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