Xiaonanhai Dam Xiaonanhai Dam The Xiaonanhai Dam was a proposed dam on the Yangtze River in Chongqing, China. It was to have an associated 1,760 MW hydroelectric power station. Preliminary construction on the dam began on 29 March 2012 and earliest completion was expected in 2019. However, it was cancelled in March 2015 due to environmental concerns. The project, under responsibility of the Chongqing municipal government, was initiated under the stewardship of Bo Xilai prior to his fall from grace in 2012. The dam was to be constructed by China Three Gorges Corporation 40 km upstream of the city, and 700 km
Risks to the Glen Canyon Dam of between 500–700 years. Glen Canyon Dam is a concrete arch dam on the Colorado River in northern Arizona in the United States, just north of Page. The dam was built to provide hydroelectricity and flow regulation from the upper Colorado River Basin to the lower. Its reservoir is called Lake Powell, and is the second largest artificial lake in the country, extending upriver well into Utah. The dam is named for Glen Canyon, a colorful series of gorges, most of which now lies under the reservoir. Construction of Glen Canyon Dam started in 1956 and was not finished until