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Port staff warns seawall faces significant sea-level rise and seismic risks; master plan work to begin
Summary
Port engineering staff told commissioners the historic seawall protects the eastern waterfront but faces growing flood and seismic threats; staff recommended short-term measures for projected 15-inch rise by 2050 while beginning a multi-year seismic evaluation and seawall master plan.
Port of San Francisco engineering staff told the Port Commission that the city’s historic seawall continues to provide flood protection but faces substantial challenges from projected sea-level rise and seismic‑induced liquefaction.
Interim Deputy Director and Chief Harbor Engineer Uday Prasad presented historical inspection findings and mapping, saying the seawall "has performed well in providing flood protection to the city's waterfront for more than 100 years. However, it does face challenges as sea level rises." He told commissioners that, on much of the waterfront, the present 100‑year flood elevation is about 12…
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