Overview
Hunan wastewater treatment plant serves Anxiang County, Changde, Hunan, China, with a population of 110,000. It operates under China's national wastewater standards for medium-sized agglomerations.
The Hunan wastewater treatment plant is located in Anxiang County, part of Changde City in Hunan Province, China. It serves a population of approximately 110,000 people, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated inland, away from coastal areas, and its operations are integral to the local water infrastructure. Plants of this scale in China are typically required to meet secondary treatment standards under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). This regulation sets effluent limits for key pollutants, with stricter requirements for plants discharging into sensitive water bodies. Its population served suggests a significant treatment capacity. The plant discharges into the local water system, which ultimately drains into the Yangtze River basin via Dongting Lake. Dongting Lake is a major freshwater lake in Hunan, supporting diverse aquatic life and providing water for agriculture and fisheries. The plant's performance directly affects the ecological health of this downstream environment, including nutrient loading and water quality in the lake and river system.
Environmental context
The plant's treated effluent flows into the Dongting Lake watershed, a key tributary of the Yangtze River. Dongting Lake is a large, ecologically significant freshwater lake that supports diverse aquatic species and serves as a critical water source for surrounding communities. The lake is also an important flood storage area. Discharges from the plant can influence nutrient levels and water quality in the lake, impacting local fisheries and biodiversity. The plant's location inland, over 50 km from the coast, means its discharge primarily affects freshwater ecosystems rather than marine environments.
Frequently asked questions
The plant is located in Anxiang County, Changde City, Hunan Province, China.
The plant serves approximately 110,000 people, classifying it as a medium-to-large agglomeration.
The plant discharges into the local water system that drains into Dongting Lake, a major tributary of the Yangtze River.
Plants in China must comply with the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nutrients.
Plants of this scale in China are typically required to provide secondary treatment, with possible tertiary treatment if discharging into sensitive water bodies.
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