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SFPUC unveils draft 100‑year storm flood‑risk map; staff to seek feedback and propose disclosure law
Summary
SFPUC staff presented a searchable draft map identifying parcels at risk in a 100‑year storm (1% annual chance), describing the modeling approach and next steps to finalize the map and pursue legislation requiring seller/lessor disclosure to buyers and renters.
San Francisco Public Utilities Commission staff presented a draft citywide flood‑risk map July 24 showing parcels likely to be subject to flooding in a 100‑year design storm. The map, based on a validated hydrologic and hydraulic model that incorporates city drainage infrastructure and projected sea‑level rise through 2050, highlights deep flooding (>6 inches) and contiguous flood areas.
Wastewater staff described the…
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