Tioga Lake Dams Geomembrane Installation Project (Project)

Summary

SCH Number
2014088002
Lead Agency
State Water Resources Control Board
Document Title
Tioga Lake Dams Geomembrane Installation Project (Project)
Document Type
NOE - Notice of Exemption
Received

Document Description
Tioga Lake is part of Southern California Edison's (SCE) Lee Vining Hydroelectric Project, Federal Energy Regulatory Commission (FERC) Project No. 1388, for which FERC issued a new operating license on February 4, 1997. SCE proposes to install geomembrane liners on the Main Dam and Auxiliary Dam of Tioga Lake. In addition to the geomembrane installation, plinth repairs, outlet structure repair, and foundation grouting may be undertaken. Installation of the geomembrane is expected to extend the effective life span of the structures by up to thirty years.

Contact Information
Oscar Biondi
State Water Resources Control Board
P.O. Box 2000
Sacramento, CA 95812-2000

916-323-9397

Location

Counties
Mono

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
S:15301, Class 1
Reasons for Exemption
Existing Facilities.
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