CX-009530: Categorical Exclusion Determination

Artesia-Rangely Tap of the Hayden-Vernal 138 Kilovolt Transmission Line Bank Stabilization on Structure 20/2 CX(s) Applied: B1.3 Date: 10/29/2012 Location(s): Colorado Offices(s): Western Area Power Administration-Rocky Mountain Region

Office of NEPA Policy and Compliance

October 29, 2012
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Artesia-Rangely Tap of the Hayden-Vernal 138 Kilovolt Transmission Line Bank Stabilization on Structure 20/2
CX(s) Applied: B1.3
Date: 10/29/2012
Location(s): Colorado
Offices(s): Western Area Power Administration-Rocky Mountain Region

Flooding in 2011 caused the White River to erode its riverbank near structure 20/2 on Western Area Power Administration's Artesia-Rangely section of the Hayden-Vernal transmission line. This structure is located approximately 1 mile west of the town of Rangely, Rio Blanco County, Colorado. The structure base is in jeopardy of undermining by the river and this may result in a failure of the transmission line.