Standby Power Generation System Upgrade Project


SCH Number
Lead Agency
Union Sanitary District
Document Title
Standby Power Generation System Upgrade Project
Document Type
MND - Mitigated Negative Declaration

Document Description
The project will replace six existing standby engine generators in a new building containing two minimum rated 3.5 MW engine generators, with room for two future engine generators, and associated electrical equipment; aboveground diesel fuel storage; a future battery storage area; a new electrical substation with electrical connection to new generators; and demolition of selected structures and equipment. These improvements will serve to replace aging standby generators and auxiliary equipment and to adequately supply reliable standby power to existing plant electrical loads for peak demand periods and to facilitate future standby power improvements.

Contact Information
Kevin Chun
Union Sanitary District
5072 Benson Road
Fremont, CA 94587

(510) 477-7608


Union City
Total Acres
State Highways
Old Alameda Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Power:Other Power Type Waste Treatment:Other
Local Action
Other Action Other Action: site review
Project Issues
Cumulative Effects Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Soil Erosion/Compaction/Grading Noise Geologic/Seismic Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual
Reviewing Agencies
State Water Resources Control Board, Divison of Financial Assistance Native American Heritage Commission Air Resources Board, Major Industrial Projects California Department of Parks and Recreation California Energy Commission California Highway Patrol California Public Utilities Commission Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Toxic Substances Control Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency State Lands Commission


Environmental Document
ISMND   PDF 50631 K
NOC   PDF 1243 K
State Comments
NAHC comment   PDF 1165 K SWRCB Comment   PDF 3152 K
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