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| | seMissourian.com: Story: AmerenUE was told reservoir might fail |
 | | Richard Cooper, superintendent of Ameren's Taum Sauk Hydroelectric Plant, said in his Sept. 27 e-mail that the overflow had washed away rock at the base of the reservoir wall, leaving trenches a foot deep in some areas. |
 | | But the Federal Energy Regulatory Commission, which regulates Taum Sauk and is investigating its failure, wasn't aware of the Sept. 25 overflow until last week, according to a letter issued to Ameren on Friday. |
 | | The 55-acre Taum Sauk reservoir, near Lesterville, Mo., is the upper part of a pumped-storage plant designed to meet peak daytime electricity needs. |
| www.semissourian.com /story/1135500.html (745 words) |
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