Vierra Reinforcement Project


SCH Number
Lead Agency
California Public Utilities Commission (CPUC)
Document Title
Vierra Reinforcement Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Industrial, agricultural, public/quasi-public

Document Description
Expansion of PG&E’s Vierra Substation in Lathrop near the border with Manteca. A new 1-mile double-circuit 115 kV power line would provide San Joaquin County with a more reliable connection to the regional transmission system, increasing the reliability and capacity of the electric grid serving the cities of Lathrop and Manteca, to avoid power outages for approximately 120,000 households and businesses in Lathrop, Manteca, and surrounding communities. The project includes upgrades within existing fence lines at 6 other remote substations: 5 in San Joaquin County and 1 in Alameda County) and the addition of microwave dishes to existing telecommunications towers at Mount Oso (Stanislaus County) and Highland Peak (Contra Costa County) microwave stations.

Contact Information
Michael Rosauer
California Public Utilities Commission
Lead/Public Agency
505 Van Ness Ave, Fourth Floor
San Francisco, CA 94102-3298

Phone : (415) 703-2579

Pacific Gas and Electric Company
Project Applicant


Lathrop Manteca Ripon Tracy
Alameda Contra Costa San Joaquin Stanislaus
Northern California
Total Acres
1 mile in length
Parcel #
State Highways
SR 120, SR-99, I-5, I-205, 580
Union Pacific Railroad
San Joaquin River

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Telecommunication tower modifications) Power:Electric Transmission Lines
Local Action
Permit to construct by California Public Utilities Commission
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Drainage/Absorption Flood Plain/Flooding Geology/Soils Greenhouse Gas Emissions Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Noise Public Services Solid Waste Transportation Tribal Cultural Resources Vegetation Wildfire Wildlife Other
Reviewing Agencies
California Air Resources Board (ARB) California Department of Conservation (DOC) California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Fish and Wildlife, Central Region 4 (CDFW) California Department of Fish and Wildlife, North Central Region 2 (CDFW) California Department of Forestry and Fire Protection (CAL FIRE) California Department of Parks and Recreation California Department of Transportation, District 10 (DOT) California Department of Transportation, District 4 (DOT) California Department of Transportation, Division of Aeronautics (DOT) California Department of Water Resources (DWR) California Energy Commission California Governor's Office of Emergency Services (OES) California Highway Patrol (CHP) California Native American Heritage Commission (NAHC) California Natural Resources Agency California Public Utilities Commission (CPUC) California San Joaquin River Conservancy (SJRC) California State Lands Commission (SLC) Central Valley Flood Protection Board Delta Protection Commission Delta Stewardship Council Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Quality California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)


Environmental Document
Notice Of Intent_Vierra DraftISMND   PDF 88 K Summary_Form_for_Document_Submittal_Vierra   PDF 578 K SummaryFormAttachment1_Vierra   PDF 174 K Vierra_Draft_ISMND   PDF 23780 K
NOC_Package_Vierra   PDF 468 K
State Comments
2020100283_RWQCB Comment   PDF 260 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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