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座落大宁河上游巫溪县城北的巫溪水文站是大宁河水文无人测站系统的中心站。大宁河流域位于长江三峡区间左岸,流域面积为4234km~2,干流巫溪以上流域面积为2005km~2。大宁河水文无人站系统由长江水利委员会水文局于1986年4月开始筹建,1991年11月通过鉴定验收。整个系统包括大宁河巫溪以上流域内三个水文站
Located in the upper reaches of Daning River in Wuxi County, Wu Xi County, Wu Xi hydrological station is the Daning River hydrological unmanned station system of the central station. The Daning River Basin is located on the left bank of the Three Gorges section of the Yangtze River, with an area of 4234km ~ 2 and a stream area of over 200km ~ 2 above the main stream of Wuxi. Daning River hydrological unmanned station system by the Yangtze River Hydropower Commission Hydrology Bureau in April 1986 began construction, in November 1991 passed the appraisal. The entire system includes three hydrological stations in the river basin above Daning River