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SFPUC presents draft 100‑year storm flood‑risk map and outlines disclosure process
Summary
Commission staff presented a draft citywide 100‑year storm inundation map that would identify parcels at risk of deep, contiguous flooding, notify affected owners, allow parcel appeals and support a future City ordinance requiring disclosure at point of sale.
The San Francisco Public Utilities Commission on Feb. 13 unveiled a draft 100‑year storm flood‑risk information map intended to tell property owners and prospective buyers whether a parcel is subject to deep, contiguous flooding in an event with a 1% annual probability.
Stephanie Harrison, project manager, said the draft map isolates deep and contiguous flooding (defined as more than 6 inches and larger than half a block in the right of way), incorporates sea‑level rise assumptions and uses hydrologic/hydraulic modeling to identify impacted parcels. Staff estimate the draft map covers a bit more than 2,000…
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