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Vista Grande Drainage Basin Improvement Project Draft EIR/EIS


SCH No. 2013032001

The City of Daly City, as Lead Agency under the California Environmental Quality Act (CEQA), and the National Park Service (NPS), as Lead Agency under the National Environmental Policy Act (NEPA), have prepared a joint Draft Environmental Impact Report and Environmental Impact Statement (EIR/EIS) for the proposed Vista Grande Drainage Basin Improvement Project (Project).

Daly City is proposing the Project to address storm-related flooding in the Vista Grande Drainage Basin in Daly City and in unincorporated Broadmoor Village in northwestern San Mateo County, while providing the additional benefit of augmenting the level of Lake Merced in San Francisco. The Project would also improve recreational access and reduce litter transfer and deposition along the beach below Fort Funston and maximize the use of existing rights-of-way, easements, and infrastructure to minimize construction-related costs, habitat disturbance, and disruption to recreational users. The Project would consist of partial replacement of the existing Vista Grande Canal to incorporate a debris screening device, a treatment wetland, and diversion and outfall structures to route some flows from the Canal to Lake Merced; replacement of the existing Vista Grande Tunnel to increase its peak capacity and extend its operating life; and replacement of the existing Ocean Outlet structure at Fort Funston. The Vista Grande Canal, Tunnel, and Ocean Outlet are located within San Francisco except for a small portion of the beginning of the Canal which is located within unincorporated San Mateo County. Operational components of the project would include management of water elevations in Lake Merced and a Lake Management Plan that would implement water quality best management practices.

Significant impacts of the proposed Project that may remain significant after mitigation include loss of historic resources, adverse effects on local shoreline sand supply and shoreline processes and localized rates of erosion, and conflicts with applicable land use policies related to shoreline processes. Alternatives are proposed to reduce these significant impacts. Other potentially significant but mitigable impacts include impacts on day and nighttime views, air quality, biological resources, other cultural resources, geology and soils, hazards, water quality, noise and vibration, geologic and paleontological resources, and transportation and traffic. The Project site is not included on any lists of hazardous materials sites compiled pursuant to Government Code Section 65962.5.

An electronic copy of the Draft EIR/EIS is available at the links below. The Draft EIR/EIS is available for public review at the Daly City Clerk’s Office (333 90th Street), the Westlake Branch of the Daly City Public Library (275 Southgate Avenue), and the Merced Branch of the San Francisco Public Library (155 Winston Drive). All documents referenced in the Draft EIR/EIS are available for review on request.

The public comment period begins on April 29, 2016 and closes at 5:00 p.m. on July 1, 2016. Daly City will hold a Public Meeting to provide an opportunity for the public and regulatory agencies to learn about the Project and be informed about how to submit comments on the adequacy and accuracy of the Draft EIR/EIS on May 26, 2016: 7:00 p.m. to 9:00 p.m. at the City Council Chambers, 333 90th Street, Daly City.

The National Park Service (NPS) also will take public comments on the Draft EIR/EIS. More information can be obtained from the NPS at: http://parkplanning.nps.gov/Vista_Grande. All comments received by Daly City and/or the NPS will be considered by both agencies. Therefore, you may submit comments to both agencies, but are not required to do so to have your comments considered by both Daly City and the NPS.

Input on the adequacy and accuracy of the Draft EIR/EIS may be submitted in writing via mail, fax, or email until July 1, 2016. Please send comments, and include a name, address, and telephone number of a contact person for all future correspondence on this subject, to:

City of Daly City Department of Water and Wastewater Resources
Attention: Patrick Sweetland, Director
153 Lake Merced Boulevard
Daly City, CA 94015
Fax: (650) 991-8220
Email: psweetland@dalycity.org

Previous Notices and Reports

Vista Grande Drainage Basin Alternatives Analysis Report (2013) and Notice of Preparation/ Intent To Prepare A Joint EIR/EIS (Scoping information)

Vista Grande Watershed Plan (2006)