Overview
Henan wastewater treatment plant serves Nanyang, Henan, China, with a population of 94,600. It operates under China's national wastewater standards.
The Henan wastewater treatment plant is located in Tanghe County, Nanyang City, Henan Province, China. It serves a population of approximately 94,600, classifying it as a medium-sized municipal facility within the region's wastewater infrastructure. Under China's national wastewater discharge standards (GB 18918-2002), plants of this scale are typically required to meet Class 1-A or 1-B effluent limits, depending on the receiving water body's sensitivity. Regulatory compliance is enforced by local environmental protection bureaus. The plant discharges treated effluent into local waterways that ultimately drain into the Yangtze River basin via the Han River system. This watershed supports agricultural irrigation, fisheries, and downstream ecosystems, making effective treatment essential for water quality and public health.
Environmental context
The plant's treated effluent flows into the Tanghe River, a tributary of the Han River, which joins the Yangtze River before reaching the East China Sea. The watershed supports diverse aquatic life and provides water for agriculture and domestic use. Protecting this river system from nutrient pollution and pathogens is critical for downstream communities and ecological balance.
Frequently asked questions
The plant is located in Tanghe County, Nanyang City, Henan Province, China.
The plant serves approximately 94,600 people, making it a medium-sized municipal facility.
The plant discharges treated effluent into the Tanghe River, which flows into the Han River and eventually the Yangtze River.
The plant operates under China's national wastewater discharge standards (GB 18918-2002), which set effluent limits for pollutants based on the receiving water's sensitivity.
For medium-sized agglomerations in China, secondary biological treatment with nutrient removal is standard, often meeting Class 1-A or 1-B standards to protect downstream water quality.
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