7月30日，南水北调中线水源工程丹江口水利枢纽开闸泄洪。为确保丹江口大坝安全度汛，当日上午，南水北调中线丹江口大坝开闸泄洪，目前上游水位145.9米，超汛限水位0.9米。新华社发（陈华平 摄） July 30,，Water resources project of south-to-north water transfer project of danjiangkou flood water control project actually。To ensure high alert danjiangkou dam safety，On that day morning，Danjiangkou dam flood of south-to-north water transfer project actually，At present the upstream water level 145.9 meters，The flood limit water level of 0.9 m。The xinhua news agency hair（ChenHuaPing perturbation）

    7月30日，南水北调中线水源工程丹江口水利枢纽开闸泄洪。新华社发（杨飏 摄） July 30,，Water resources project of south-to-north water transfer project of danjiangkou flood water control project actually。The xinhua news agency hair（YangYang perturbation）

    7月30日拍摄的南水北调中线水源工程丹江口水利枢纽上游水位标尺。新华社发（杨飏 摄） On July 30, the shooting of south-to-north water transfer project of danjiangkou water conservancy hub upstream water level ruler。The xinhua news agency hair（YangYang perturbation）