Overview
Guizhou wastewater treatment plant serves Xishui County in Guizhou, China, with a population of 52,000. The facility operates under China's national wastewater standards for urban agglomerations.
The Guizhou wastewater treatment plant is located in Xishui County, Zunyi City, Guizhou Province, China. It serves a population of approximately 52,000 people, placing it in the medium-sized agglomeration category for Chinese municipal wastewater infrastructure. Under China's national wastewater discharge standards (GB 18918-2002), plants serving populations of this scale are typically required to achieve at least secondary treatment, with some sensitive watersheds demanding tertiary treatment. Regulatory compliance is enforced through local environmental protection bureaus. The plant discharges treated wastewater into the local watershed, which ultimately drains into the Yangtze River basin via the Chishui River system. This river network supports diverse aquatic life and provides water for agricultural and domestic use downstream. Proper treatment is critical to protect water quality in this ecologically sensitive region.
Environmental context
The plant's treated effluent enters the Chishui River, a tributary of the Yangtze River, which flows through Guizhou and Sichuan provinces before joining the Yangtze. The Chishui River is known for its biodiversity and supports fish species and migratory birds. Downstream, the Yangtze River is a major ecological and economic artery, making nutrient and pollutant control essential for maintaining water quality and aquatic habitats.
Frequently asked questions
The Guizhou wastewater treatment plant is located in Xishui County, Zunyi City, Guizhou Province, China, along Qinling West Road.
The plant serves approximately 52,000 people, classifying it as a medium-sized urban wastewater treatment facility.
The plant discharges treated wastewater into the local watershed, which flows into the Chishui River, a tributary of the Yangtze River.
The plant operates under China's national wastewater discharge standards (GB 18918-2002), enforced by local environmental protection bureaus, which set effluent limits for pollutants.
For a medium-sized agglomeration in China, secondary treatment is typically required, with tertiary treatment in sensitive areas to meet stricter discharge standards.
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