Overview
Sichuan wastewater treatment plant serves Lezhi County in Sichuan Province, China, with a population of 64,800. It operates under China's national wastewater regulations.
The Sichuan wastewater treatment plant is located in Lezhi County, Ziyang City, Sichuan Province, China. It serves a population of approximately 64,800 people, placing it in the medium agglomeration category under Chinese wastewater management standards. As a municipal facility in China, the plant is subject to the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on receiving water sensitivity. For plants serving populations of this scale, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on the discharge destination. The plant discharges treated effluent into local water bodies that ultimately drain into the Yangtze River basin. The receiving waters support agricultural irrigation and aquatic ecosystems in the Sichuan Basin. Proper treatment helps protect downstream water quality in the Yangtze River, which is critical for drinking water supply and biodiversity in central and eastern China.
Environmental context
The plant's treated effluent flows into local streams within the Yangtze River basin, eventually reaching the Yangtze River. The Sichuan Basin is a densely populated agricultural region where water quality directly affects irrigation and aquatic life. The Yangtze River supports diverse fish species and provides drinking water for millions downstream. Effective wastewater treatment is essential to prevent eutrophication and protect this vital waterway.
Frequently asked questions
The plant is located in Lezhi County, Ziyang City, Sichuan Province, China, at coordinates 30. 288 N, 105. 012 E.
The plant serves approximately 64,800 people, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges into local water bodies that are part of the Yangtze River basin, helping to protect the Yangtze River and its tributaries from pollution.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent quality standards based on the receiving water's sensitivity.
For medium-sized agglomerations in China, secondary treatment with nutrient removal is standard, aiming to meet Class 1-A or 1-B discharge standards to protect water quality.
Nearby plants