Tioga Lake Dams Geomembrane Installation Project (Project)


SCH Number
Public Agency
State Water Resources Control Board
Document Title
Tioga Lake Dams Geomembrane Installation Project (Project)
Document Type
NOE - Notice of Exemption
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
Agency Name
State Water Resources Control Board
Contact Types
Lead/Public Agency



Notice of Exemption

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

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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