Overview
Jilin wastewater treatment plant serves Yitong Manchu Autonomous County in Jilin, China, with a population equivalent of 87,000. The facility operates under China's national wastewater discharge standards.
The Jilin wastewater treatment plant is located in Yitong Manchu Autonomous County, Siping City, Jilin Province, China. It serves a population equivalent of 87,000, placing it in the medium-to-large agglomeration category for Chinese municipal wastewater infrastructure. The plant is situated inland, approximately 50 km from the coast, and its operations are subject to China's national discharge standards (GB 18918-2002) which mandate secondary treatment as a baseline for urban plants. Under China's regulatory framework, municipal wastewater treatment plants serving populations over 50,000 are typically required to achieve at least secondary treatment with nutrient removal in sensitive areas. The facility is expected to comply with Class I-A or I-B discharge limits depending on the receiving water body's environmental sensitivity. China's 13th Five-Year Plan emphasized upgrading plants to tertiary treatment in key watersheds. The plant discharges into the local river system within the Liao River basin, which ultimately flows into the Bohai Sea. The receiving waters support agricultural irrigation and aquatic ecosystems. Downstream, the Liao River basin faces challenges from industrial and agricultural runoff, making effective wastewater treatment critical for protecting water quality and biodiversity in the region.
Environmental context
The plant discharges into the Liao River basin, which flows through northeastern China before emptying into the Bohai Sea. The Liao River is a major waterway supporting agriculture, industry, and aquatic life. Downstream ecosystems include wetlands and estuaries that provide habitat for migratory birds and fish species. Effective treatment is essential to mitigate nutrient pollution and protect the Bohai Sea's coastal environment.
Frequently asked questions
The Jilin wastewater treatment plant is located in Yitong Manchu Autonomous County, Siping City, Jilin Province, China.
The plant serves a population equivalent of 87,000 people.
The plant discharges treated wastewater into the local river system within the Liao River basin, which ultimately flows into the Bohai Sea.
The plant operates under China's national discharge standard GB 18918-2002, which sets limits for pollutants like COD, BOD, and nutrients. Plants of this scale are typically required to meet Class I-A or I-B standards.
For agglomerations of this size, Chinese regulations generally mandate secondary biological treatment with nutrient removal. Many plants also incorporate tertiary treatment to meet stricter discharge limits in sensitive watersheds.
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