San Francisco Tap Water
Water provider: San Francisco Public Utilities Commission (San Francisco Bay Area, CA)
Filter guidance
We do not have enough dated, utility-specific measurements to select a filter for this address. Check the current utility report or test your tap, then choose a model certified for the measured contaminant.
What the reviewed source lists
Chromium-6 (hexavalent chromium)
Listed for context, not verified as a local measurement
Source wording: ~0.05 ppb
Trihalomethanes (THMs)
Listed for context, not verified as a local measurement
Source wording: ~15 ppb
Lead
Listed for context, not verified as a local measurement
Source wording: below action level; Hetch Hetchy source is lead-free, household plumbing matters
Source and date
SFPUC Water Quality Report (2023). Last reviewed 2024-11-01.
This reflects the most recent public water quality report available when we last reviewed this utility. Verify current conditions with the utility.