Sunnyvale Water Pollution Control Plant Primary Treatment Facility

SCH Number: 2014112037
Lead Agency: Sunnyvale, City of (City of Sunnyvale)
Document Title: Sunnyvale Water Pollution Control Plant Primary Treatment Facility
Document Type: ADM - Addendum
Received: 1/23/2018

Document Description: The proposed project would replace existing, aging facilities at the WPCP, including replacements of the headworks facility, primary treatment facilities, switchgear building, standby generator, and heat recovery system at the power generation facility. Access roadways and fencing would also be altered or replaced, a stormwater channel along the southeast boundary of the WPCP site would be filled, and dewatering would be relocated within the WPCP site. These alterations will occur within the main plant as well as in surrounding areas of the WPCP. For the oxidation ponds, the proposed Project may include, but is not limited to, construction of a new road by expanding the existing levees between Pond 1 and 2 on the west side of Note: Review Per Lead & Addendum Moffett Channel, replacement of existing pipelines, and extension of the primary effluent pipeline to new equalization basin. Following adoption of the IS/MND, the city proceeded with design of the primary treatment facility, including making adjustments to the design to better meet city objectives. Project modifications have been made to the facilities that would be constructed within the plant fenceline.

Contact Information: Jennifer Ng
SWRCB
P.O. Box 3707
Sunnyvale, CA 94088
408-730-7430

Review Period Start: 1/23/2018
Review Period End: 2/26/2018
Development Type: Waste Treatment:Other (Tertiary; MGD: 29.5)
Local Action: Site Plan
Project Issues: Cumulative Effects Landuse Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Flood Plain/Flooding Coastal Zone Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies: California Coastal Commission California Department of Parks and Recreation California Highway Patrol California Public Utilities Commission Caltrans, District 4 Caltrans, Division of Aeronautics Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Regional Water Quality Control Board, Region 2 Resources Agency San Francisco Bay Conservation and Development Commission State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Divison of Financial Assistance