Overview
The Hebei wastewater treatment plant serves Raoyang County in Hengshui, Hebei Province, China, with a population equivalent of 42,000. It operates under China's national wastewater discharge standards.
The Hebei wastewater treatment plant is located in Raoyang County, part of Hengshui City in Hebei Province, China. It serves a population of approximately 42,000 people, classifying it as a medium-sized municipal facility within the region's water management infrastructure. Under China's national wastewater regulations, plants of this scale are typically required to meet the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which mandates secondary treatment as a baseline. More stringent standards may apply if the receiving water body is classified as environmentally sensitive. The plant discharges treated effluent into local waterways that ultimately drain into the Bohai Sea via the Hai River system. This coastal connection underscores the importance of effective nutrient removal to protect downstream marine ecosystems and comply with China's Water Pollution Prevention and Control Action Plan.
Environmental context
The plant's treated effluent flows into the Hai River basin, which drains into the Bohai Sea, a semi-enclosed marginal sea with significant ecological and economic importance. The Bohai Sea supports fisheries, aquaculture, and shipping, but faces eutrophication risks from nutrient loading. Effective wastewater treatment at this plant helps reduce nitrogen and phosphorus inputs, safeguarding water quality in the downstream river network and coastal zone.
Frequently asked questions
The Hebei wastewater treatment plant is located in Raoyang County, Hengshui City, Hebei Province, China.
The plant serves a population equivalent of 42,000 people, making it a medium-sized municipal facility.
The plant discharges into local waterways within the Hai River basin, which ultimately flows into the Bohai Sea.
The plant operates under China's national wastewater discharge standards, specifically the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nutrients.
For a medium-sized plant in China, secondary treatment is typically required as a minimum. In environmentally sensitive areas, tertiary treatment with nutrient removal may be mandated to protect downstream water quality.
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