Agency says

Safety problems at Taum Sauk weren’t reported to the Federal Energy Regulatory Commission.
Thursday, October 5, 2006 | 12:00 a.m. CDT; updated 10:53 a.m. CST, Wednesday, February 18, 2009

ST. LOUIS — Ameren Corp.’s new dam safety chief was one of several managers who failed to tell federal regulators about critical problems at the Taum Sauk reservoir for months before the dam collapsed, documents show.