Emergency Dredging For The Kingston Fossil Plant Ash Dike Failure
Watts Bar Reservoir, Roane County, Tennessee
On March 19, 2009, TVA completed an environmental assessment (EA) and issued a finding of no significant impact for the emergency dredging in response to the December 22, 2008, ash dike failure at its Kingston Fossil Plant in Roane County, Tennessee. Specific actions addressed in the EA include removing debris and ash material from the Emory River between Emory River Mile (ERM) 1.5 and ERM 3.5. Other initial actions evaluated in this EA include dewatering the dredge material and drying the recovered ash for storage. Temporary on-site storage options, along with nearby off-site storage options, are being considered for dredging to be completed without interruption.
On February 13, 2009, TVA completed an environmental assessment (EA) and issued a finding of no significant impact for the emergency actions that have been undertaken in response to the December 22, 2008, ash dike failure at its Kingston Fossil Plant in Roane County, Tennessee. Specific actions addressed in that EA include repair and restoration of railroad and roadway, installation of temporary rock structures, stabilization of the slide area, demolition of damaged homes, clean up of debris, and collection of cenospheres.
Other actions, as well as the long-term restoration and remediation of the affected area, are being addressed in separate environmental documents. TVA followed the Council on Environmental Quality’s guidance for Preparing Focused, Concise, and Timely Environmental Assessments in preparing the EA.
PDF files require Adobe Acrobat Reader.
Finding of No Significant Impact (PDF, 105 kb)
Environmental Assessment (PDF, 2.3 mb)
Attachments (PDF, 1.2 mb)
For more information or to receive a printed copy of the documents, contact:
David W. Robinson, Senior NEPA Specialist
Tennessee Valley Authority
1101 Market Street, LP-5U
Chattanooga, Tennessee 37402
423-751-2502; Fax: 865-632-3451