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Surfers Beach Project

Please see side boxes for information related the continuing efforts of the Pilot Surfers Beach Sand Replacement Project.

At the Board meeting of May 23, 2018, Director of Operations, John Moren read the staff report for the CA Department of Boating and Waterways Grant for the Pilot Sufers Beach Sand Replenishment Project, which included the Agreement and Resolution, both of which were approved by the Harbor Commission, 5/0.  Consultant Brad Damitz gave an updated presentation of the Pilot Surfers Beach Project to the Commission.  See documentation and presentation below.

Pilot Surfers Beach Sand Replenishment Project Presentation by Brad Damitz - May 23, 2018DBW Grant Agreement Staff Report - John MorenResolution 18-09 DBW Surfers Beach Grant Approval

Surfers Beach Pilot Sand Replenishment Project:

Project Overview:

Surfers Beach has suffered from significant beach and bluff erosion attributed, in large part, to the construction of the Pillar Point Harbor (PPH) East Breakwater, completed in 1961. This rapid erosion of the beach and bluffs extending south of the harbor has been a source of concern over the past several decades. A recent Army Corps of Engineers study concluded that the bluffs along Surfers Beach eroded at an average rate of 1.64 feet per year between 1993 and 2012. This erosion rate was determined to be approximately seven times higher than the rate of erosion at a geologically similar stretch of shoreline farther down the coast. Powerful storms during recent winter seasons have resulted in even more severe erosion, causing major threats to Highway 1, Mirada Road and other coastal infrastructure, and requiring emergency repairs by Caltrans and the County of San Mateo.


The need for a project to address the ongoing coastal erosion issues at Surfers Beach has been long recognized by local community members and many state, federal and local regulatory agencies. The Surfers Beach project also is a recommended activity in the Coastal Regional Sediment Management Plan for the Santa Cruz Littoral Cell, which was developed for the California Coastal Sediment Management Workgroup (CSMW) by the Monterey Bay National Marine Sanctuary and U.S. Army Corps of Engineers in partnership with local stakeholders. Moreover, Surfers Beach (El Granada County Beach) was identified as a Beach Erosion Concern Area within the CSMW’s California Beach Erosion Assessment Survey , which attempts to identify coastal erosion locations of high priority to jurisdictional agencies.  


As of July 2017, the San Mateo County Harbor District (District) has obtained funding and initiated planning activities for the Surfers Beach Pilot Sand Replenishment Project (project) to protect and restore the shoreline at Surfers Beach. The project will result in beneficial re-use of clean (non-polluted) sand that has accumulated inside the PPH East Breakwater over the past half-century at the adjacent beach (just outside the breakwater). The project is necessary to reduce the threat of structural damage and recreation loss along Surfers Beach. Specific benefits include: preventing or mitigating beach erosion and sea cliff retreat; improving protection of Highway 1 and other structures; increasing quality and quantity of public access and recreation; reducing the need for hard structures (e.g. seawalls and revetments), and improving beach and wildlife habitat. This project will also address the issues associated with the shoaling that has occurred inside of the Harbor since the outer breakwater was constructed.


The Surfers Beach project is a pilot effort, meaning that a major objective is to closely study and monitor the project to assess its effectiveness and also to determine if there are any unacceptable environmental impacts. Assuming that post construction monitoring and review indicates that the Project is effective in mitigating erosion and does not cause unacceptable impacts, then it is envisioned that a larger beach nourishment project would be pursued in the future. Currently however, a larger scale project, involving placement of dredged material below Mean High Water, could not be permitted under existing Monterey Bay National Marine Sanctuary (MBNMS) regulations; therefore it is necessary to move forward with the proposed pilot project to address the coastal erosion issues in the near-term. Monterey Bay and Greater Farallones National Marine Sanctuaries support the project and will play a key advisory, review, and permitting roles in the planning and implementation of the Project.


The San Mateo County Harbor District Board of Harbor Commissioners recognized the potential benefits and unanimously approved this pilot project at the October 7, 2015 Board meeting. In February 2016, the District submitted a grant application to Division of Boating and Waterways for $800,000 to fund the Project implementation (construction and monitoring), which was approved in July 2017. The District also successfully applied for and obtained funding through the Ocean Protection Council (OPC) to cover a portion of the necessary planning, engineering and design, environmental studies, and regulatory compliance/permitting work. The OPC grant agreement was completed in late June 2017 and work on the planning process began shortly thereafter.


As of November 2017, the District has reached out and had initial discussions with permitting agencies, and reviewed and determined all necessary permits for Surfers Beach Pilot Project. We have also formed a Technical Advisory Group (TAG) to provide input on the Project design and engineering decisions and conducted initial phone calls with TAG members to brief them on the Project and solicit input on potential project design alternatives. The District has also made progress on stakeholder collaboration including identifying potential partners and stakeholders for the Project, developing an overall Stakeholder Outreach List to send meeting announcements and project updates. Presentations about the Project have also been provided to a variety of groups including the Monterey Bay and Greater Farallones National Marine Sanctuaries’ Advisory Councils and the California Coastal Sediment Management Workgroup. Additionally, the San Mateo County Harbor District Board of Harbor Commissioners’ Sand Replenishment Committee held one meeting that included a Project update and discussion with District staff, Commissioners, and members of the general public. This Committee will continue to meet monthly and will provide a mechanism for the public to become informed about the Project and involved in its planning. 


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