Overview
Henan wastewater treatment plant serves Xinmi City in Henan Province, China, with a population equivalent of 152,000. The facility operates under China's national wastewater discharge standards.
The Henan wastewater treatment plant is located in Xinmi City, part of Zhengzhou prefecture in Henan Province, China. It serves a population of approximately 152,000, classifying it as a medium-to-large agglomeration under Chinese municipal wastewater management. As a plant of this scale in China, it is expected to meet the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which mandates secondary treatment with nutrient removal for sensitive water bodies. The plant's design and operation align with national policies under the Water Pollution Prevention and Control Action Plan. The treated effluent is discharged into local waterways that ultimately drain into the Huai River basin, a major river system in eastern China. The Huai River supports extensive agricultural irrigation and provides drinking water for millions, making effective wastewater treatment critical for downstream water quality and ecosystem health.
Environmental context
The plant discharges into tributaries of the Huai River basin, which flows through Henan and Anhui provinces before reaching Hongze Lake and eventually the Yellow Sea. The Huai River watershed is ecologically significant, supporting diverse aquatic life and providing water for agriculture and industry. Effective treatment is essential to prevent eutrophication and protect downstream communities.
Frequently asked questions
The plant is located in Xinmi City, Zhengzhou prefecture, Henan Province, China, along S316 in Xinhua Road Street.
The plant serves a population equivalent of 152,000, classifying it as a medium-to-large agglomeration under Chinese wastewater management standards.
The treated effluent is discharged into local waterways that are part of the Huai River basin, which flows through Henan and Anhui provinces to Hongze Lake and the Yellow Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which requires secondary treatment with nutrient removal for sensitive areas.
For agglomerations of this size, Chinese regulations typically mandate secondary biological treatment with nitrogen and phosphorus removal, often using processes like A2O or oxidation ditches.
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