Hubei Wastewater Treatment Plant, Fang County, Hubei, China

The Hubei wastewater treatment plant is located in Chengguan Town, Fang County, Shiyan City, Hubei Province, China. It serves a population equivalent of 100,000, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated inland, more than 50 kilometers from the coast, and its operations are subject to China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). As a facility serving approximately 100,000 people, the plant is expected to meet at least secondary treatment standards under Chinese regulations, which require removal of organic matter and suspended solids. The plant's scale suggests it likely incorporates biological treatment stages. China's regulatory framework mandates that such plants comply with effluent limits for COD, BOD, ammonia nitrogen, and total phosphorus, with stricter standards in sensitive watersheds. The plant discharges treated wastewater into local water bodies within the Han River basin, a major tributary of the Yangtze River. The Han River flows through Hubei and ultimately drains into the Yangtze River near Wuhan. This region supports diverse aquatic ecosystems and provides water for agriculture and municipal use downstream. The plant's performance is critical for maintaining water quality in the Han River and the broader Yangtze River system.

The plant discharges into the Han River basin, which flows through Hubei Province and joins the Yangtze River. The Han River supports diverse aquatic life and provides drinking water for millions of people. Downstream, the Yangtze River is one of the world's most ecologically significant rivers, hosting species such as the Yangtze finless porpoise and Chinese sturgeon. The plant's effluent quality directly affects these ecosystems, particularly in the context of China's efforts to reduce pollution in the Yangtze River Economic Belt.