Initial Report of Findings: FERC Investigation of Activation of Fuse Plug Spillway - Part 1

The purpose of this report is to present the findings of a team assembled by the Director, Division of Dam Safety and Inspections to investigate and document events surrounding the failure of the Silver Lake Basin fuse plug emergency spillway on May 14, 2003. The team was charged with gathering all available information on the design and construction of the fuse plug; the events leading to the fuse plug activation; and the subsequent impacts affecting downstream lives, property, infrastructure, and the natural environment. As necessary, additional analyses were conducted to better understand the events and impacts of the incident.