摘要： 调查表明，超标准洪水、闸门缺陷和与生俱来的设计问题导致了2010年7月爱荷华州德里湖大坝的溃决。漫顶引起了土坝侵蚀，并最终泄空了德里湖水库，造成了数百万美元的财产损失。

Abstract: Record rainfall, faulty gates and inherent design issues contributed to the July 2010 breach of Iowa’s Delhi Dam, investigators found. The overtopping caused the earthen embankment to erode and eventually emptied Lake Delhi, causing millions in property damage.