Overview
The Hebei wastewater treatment plant serves approximately 140,000 people in Zhengding County, Shijiazhuang, Hebei Province, China. It operates under China's national wastewater discharge standards.
The Hebei wastewater treatment plant is located in Zhengding County, Shijiazhuang, Hebei Province, China. It serves a population of approximately 140,000, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated inland, more than 50 km from the coast, and discharges into local water bodies that ultimately drain into the Bohai Sea. As a facility serving over 100,000 people, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates secondary treatment with nutrient removal for sensitive water bodies. Typical plants of this scale employ activated sludge systems with biological nutrient removal to comply with national standards. The plant's treated effluent likely enters local rivers or canals that flow into the Hai River system, eventually reaching the Bohai Sea. This watershed supports agricultural irrigation and urban water supply, making effective treatment critical for protecting downstream water quality and aquatic ecosystems in the region.
Environmental context
The plant discharges into the Hai River basin, which drains into the Bohai Sea. The Bohai Sea is a semi-enclosed marginal sea with limited water exchange, making it sensitive to nutrient pollution from upstream sources. The region's intensive agriculture and urban development contribute to eutrophication risks, so the plant's nutrient removal performance is important for mitigating algal blooms and maintaining coastal water quality.
Frequently asked questions
The plant is located at Yingxu Avenue, Zhengding County, Shijiazhuang, Hebei Province, China.
The plant serves approximately 140,000 people in Zhengding County and surrounding areas.
Treated effluent is discharged into local waterways within the Hai River basin, which ultimately flows into the Bohai Sea.
The plant must comply with China's GB 18918-2002 standard, which requires secondary treatment with nutrient removal for plants serving over 100,000 people in sensitive areas.
Plants of this scale typically use activated sludge processes with biological nutrient removal to meet national discharge limits for COD, BOD, nitrogen, and phosphorus.
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