Overview
Hunan wastewater treatment plant serves Junshan District, Yueyang, Hunan, China, with a population equivalent of 60,000. It operates under China's national wastewater discharge standards.
The Hunan wastewater treatment plant is located in Liulinzhou Subdistrict, Junshan District, Yueyang City, Hunan Province, China. It serves a population of approximately 60,000, classifying it as a medium-sized municipal facility within the region's wastewater infrastructure. As a Chinese wastewater treatment plant, it operates under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for conventional pollutants and nutrients. For facilities serving populations around 60,000, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on the receiving water's sensitivity. The plant's treated effluent is discharged into local waterways that ultimately drain into Dongting Lake, a major tributary of the Yangtze River. Dongting Lake is an ecologically significant freshwater lake that supports diverse aquatic life and provides critical flood storage for the Yangtze basin. The plant's performance directly influences water quality in this important lake ecosystem.
Environmental context
The plant discharges into the Dongting Lake watershed, which connects to the Yangtze River and eventually the East China Sea. Dongting Lake is a large, shallow lake that experiences seasonal water level fluctuations and supports a rich biodiversity, including migratory fish and waterbirds. Nutrient loading from upstream sources, including municipal wastewater, can contribute to eutrophication in the lake, making effective treatment essential for maintaining ecological balance.
Frequently asked questions
The plant is located in Liulinzhou Subdistrict, Junshan District, Yueyang City, Hunan Province, China.
The plant serves approximately 60,000 people, classifying it as a medium-sized municipal facility.
Treated effluent is discharged into local waterways that flow into Dongting Lake, a major tributary of the Yangtze River.
The plant must comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for BOD, COD, ammonia, and phosphorus.
For medium-sized agglomerations, secondary biological treatment with nutrient removal is standard, aiming for Class 1-A or 1-B discharge standards to protect sensitive water bodies like Dongting Lake.
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