South Trunk Sanitary Sewer Relief Project

5 Documents in Project


SCH Number
Lead Agency
San Mateo, City of (City of San Mateo)
Document Title
South Trunk Sanitary Sewer Relief Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
The project alignment occurs within existing City and State roadway right-of-way

Document Description
Note: Adnm, Review per lead The City of San Mateo will construct a new, wet-weather sewer relief pipeline to convey excess wastewater flow from the southern portion of the City to the Dale Avenue Pump Station where it will be pumped to the City's Wastewater Treatment Plant. The southern end of the new pipeline will begin at the intersection of E. 25th Avenue. The pipeline will extend northward along S. Delaware Street, northeast along Sunnybrae Boulevard, cross under Highway 101 and terminate near the Dale Avenue Pump Station located on Patricia Avenue. Approximately 8,000 feet of new pipeline will be installed, ranging in diameter from 42- to 54- inches.

Contact Information
Martin Quan
City of San Mateo
330 West 20th Avenue
San Mateo, CA 94403

Phone : (650) 522-7330


37°32'45"N 122°18'13"W
San Mateo
San Mateo
Cross Streets
E. 25th Avenue, S. Delaware Street, Sunnybrea Boulevard, US 101, Patricia Avenue
State Highways
Hwy 101, 92
St. Gregory, Sunnybrea
16th Ave. and 19th Ave. Drainage Channels

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Sewer Pipeline)
Local Action
Other Action Other Action: Utility Pipeline
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Coastal Zone Drainage/Absorption Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
California Department of Parks and Recreation California Department of Public Health Caltrans, District 4 Department of Conservation Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Regional Water Quality Control Board, Region 2 Resources Agency State Lands Commission State Water Resources Control Board, Division of Water Quality
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