Near where I live is the Taum Sauk pumped storage plant [1], which actually overtopped in 2005 and flooded the valley below. You can see where the water cleared

Near where I live is the Taum Sauk pumped storage plant [1], which actually overtopped in 2005 and flooded the valley below. You can see where the water cleared trees and things [2], and where the reservoir broke [3]. It drained over 3.7 billion liters in 20-30 minutes. [1] https://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_Station https://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_... [2] https://upload.wikimedia.org/wikipedia/commons/3/3d/Tscompare.jpg https://upload.wikimedia.org/wikipedia/commons/3/3d/Tscompar... [3] https://upload.wikimedia.org/wikipedia/commons/7/76/Taum_Sauk_reservoir-FERC_12-22-05_01.jpg https://upload.wikimedia.org/wikipedia/commons/7/76/Taum_Sau...