Taum Sauk Pumped Storage Project (No. P-2277),
Dam Breach Incident

Incident Description

FERC Independent Panel of Consultants (IPOC) Report, May 25, 2006
Note: All files below are PDFs.

• 1. Introduction
• 2. Project Description
• 3. Design, Construction History and Performance
• 4. Standard Operating Procedure
• 5. Overpumping Protective Systems
• 6. December 14, 2005 Breach
• 7. Technical Cause of Breach
• 8. Conclusions



• Appendix A - IPOC Information Request Letter
• Appendix B - Event Chronology
• Appendix C - Early Project Correspondence
(4.9 MB)


• Figures
(2.8 MB)


• Full Report (5.4 MB)