Tioga Lake Dams Geomembrane Liner Installation Project
Tioga Lake Dams Geomembrane Liner Installation Project
Summary
SCH Number
2014078021
Lead Agency
Fish & Wildlife 6 (Ontario)
(California Department of Fish and Wildlife, Region 6)
Document Title
Tioga Lake Dams Geomembrane Liner Installation Project
Document Type
NOE - Notice of Exemption
Received
Posted
7/1/2014
Document Description
The Tioga Lake Dams Geomembrane Liner Installation is limited to the installation of a geomembrane liner on the upstream faces of the two Tioga Lake dams (the 270-foot long main dam and 50-foot long auxilliary dam), repair of deteriorated concrete areas along the dam faces, trash rack replacement, and dam plinth repair. The Lake Alteration Agreement is being issued to address impacts to de-watered, unvegetated lakebed from equipment access and excavation of material from the lakebed for geomembrane installation and repair (Project). The Project will result in temporary impacs to 0.15 acres of unvegetaterd CFDW jurisdictional lakebed from geomembrane emplacement and to 0.62 acres of unvegetated CDFW jurisdiction, and disturbed areas will be restored following the completion of the Project.
West of the unincorporated community of Lee Vining
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15328, Class 1, 28
Reasons for Exemption
Replacement or Reconstruction - the Proejct will involve the rehabilitation of a deteriorated facility (e.g. dam) to meet current safety requriements, and will not expand the facility footprint. Small Hydroelectrict Proejcts at exisitng facilities.
