El Cerrito Relief Line Project

3 Documents in Project


SCH Number
Lead Agency
City of San Mateo
Document Title
El Cerrito Relief Line Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
The project alignment occurs within existing City Collectors and Locals roadway right-of-way (ROW) & crosses Caltrans ROW.

Document Description
The project proposes to upsize an existing 18-inch to a 24-inch sewer line approximately 1,200 feet long along El Cerrito Avenue and Tilton Avenue, to carry flow from the Town of Hillsborough. A new 27 or 30-inch sewer pipeline approximately 9,000 feet long will also be constructed in a new alignment that will ultimately be discharged into the South Trunk sewer system at Idaho Street and Sunnybrae Boulevard. The project proposes a dedicated relief line will not connect to other local lines along its alignment.

Contact Information
Martin Quan
City of San Mateo, Department of Public Works
Lead/Public Agency
330 West 20th Avenue
San Mateo, CA 94403

Phone : (650) 522-7300


37°33'55"N 122°19'55"W
San Mateo
San Mateo
Cross Streets
El Cerrito/Tilton Avenue, Grant Street, 9th Avenue, & Idaho Street
State Highways
Hwy 101, SR 82
Lawrence, Sunnybrea
San Mateo Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Sewer Pipeline)
Local Action
Utility Pipeline
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Drainage/Absorption Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Schools/Universities Sewer Capacity Solid Waste Transportation Vegetation Wetland/Riparian Wildfire
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Parks and Recreation California Department of Public Health (CDPH) California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB) California State Lands Commission (SLC) Department of Water Resources Resources Agency California Department of Transportation, District 4 (DOT)

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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