•  Located in Shuangdong Town, Jingyang District, Deyang City, Sichuan Province, approximately 7 km from downtown Deyang, •  it is a medium-sized water conservancy project tasked with urban water supply. •  Normal reservoir water level: 547.80 m •  Dead water level: 529.0 m •  Active (usable) storage capacity: 42.64 million m³ •  Total reservoir capacity: 50.80 million m³ •  Annual water supply: 73.55 million m³ •  Designed to serve a population of approximately 1.2 million people.