Overview
Gansu wastewater treatment plant serves 300,000 people in Sanzha Town, Zhangye, Gansu Province, China. It operates under national wastewater regulations for large agglomerations.
The Gansu wastewater treatment plant is located in Sanzha Town, Ganzhou District, Zhangye City, Gansu Province, China. It serves a population of 300,000, classifying it as a large-scale municipal facility within the region's wastewater infrastructure. As a large agglomeration in China, the plant is expected to meet national discharge standards under the Chinese Water Pollution Prevention and Control Law, which mandates secondary or advanced treatment for urban wastewater. The regulatory framework requires effective treatment to protect receiving waters. The plant's treated effluent likely discharges into local watercourses that flow through the Hexi Corridor, eventually reaching the Heihe River basin. This region is ecologically sensitive due to its arid climate and reliance on irrigation, making proper wastewater treatment critical for downstream water quality and agricultural use.
Environmental context
The plant is situated in the Hexi Corridor, a semi-arid region where water resources are scarce. Treated wastewater likely enters local streams that feed into the Heihe River, which flows through Gansu and into Inner Mongolia. The river supports irrigation, drinking water, and fragile desert ecosystems, making pollution control essential for maintaining water quality and ecological balance.
Frequently asked questions
The plant is located in Sanzha Town, Ganzhou District, Zhangye City, Gansu Province, China.
The plant serves a population of 300,000, classifying it as a large municipal wastewater facility.
Treated effluent is likely discharged into local watercourses that flow into the Heihe River, a major waterway in the Hexi Corridor.
The plant operates under China's Water Pollution Prevention and Control Law, which requires secondary or advanced treatment for large urban agglomerations to meet national discharge standards.
For large agglomerations in China, typical treatment includes secondary biological processes (e. g. , activated sludge) and often advanced treatment to meet stringent discharge limits, especially in water-scarce regions like the Hexi Corridor.
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