Shaanxi Wastewater Treatment Plant, Weinan, Shaanxi, China

The Shaanxi wastewater treatment plant is located in Weinan City, Shaanxi Province, China, serving a population of approximately 34,000. Situated in the inland region of northern China, the plant is part of the municipal infrastructure for the city of Weinan, which lies in the Wei River basin. The facility operates under China's national wastewater discharge standards, which set limits on pollutants to protect surface water quality. As a medium-sized agglomeration serving 34,000 people, the plant is expected to meet secondary treatment standards under Chinese regulations, which mandate biological treatment for urban wastewater. Typical plants of this scale in China employ activated sludge or similar biological processes to reduce organic matter and nutrients before discharge. The treated effluent from the plant likely enters the Wei River, a major tributary of the Yellow River, which flows eastward through the Loess Plateau and eventually into the Bohai Sea. The Wei River basin supports agricultural irrigation and provides water for downstream communities, making effective wastewater treatment critical for preventing eutrophication and protecting aquatic ecosystems.

The plant discharges into the Wei River, a tributary of the Yellow River, which flows through the Loess Plateau and empties into the Bohai Sea. The Wei River basin is heavily agricultural, and nutrient pollution from wastewater can contribute to algal blooms and oxygen depletion in downstream waters. The Yellow River is a vital water source for northern China, and maintaining its water quality is essential for human use and ecological health.