Home hazard report for 94130 — San Francisco, CA
ZIP 94130 is served by Treasure Island: no health-based violations since 2016, latest lead result 100 ppb, PFAS not tested. San Francisco County is in EPA radon zone 2.
No health-based violations reported since 2016.
The 90th-percentile lead level in the latest round (Jan 2022) was above EPA's 15 ppb action level, which requires the utility to take further steps.
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.
FEMA’s overall natural-hazard risk for this census tract, relative to the rest of the U.S.
Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code.
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Where ZIP 94130 is
Dashed: ZIP area · blue: utility service area · scroll or pinch to zoomDrinking water: Treasure Island
Health-based violations
No health-based violations reported since 2016.
Lead
90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.
PFAS (“forever chemicals”)
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).
Radon in San Francisco County
EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.
Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →
Natural hazard risk
FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively Moderate, with very high social vulnerability and very high community resilience.
FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.
Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.
Superfund sites nearby
| Site | Status | Distance |
|---|---|---|
| Alameda Naval Air Station Alameda, California · EPA ID CA2170023236 | Active (final NPL) | 3.0 mi |
| AMCO Chemical Oakland, California · EPA ID CA0001576081 | Active (final NPL) | 4.3 mi |
| Liquid Gold Oil Corp. Richmond, California · EPA ID CAT000646208 | Cleaned up & deleted | 6.6 mi |
| Hunters Point Naval Shipyard San Francisco, California · EPA ID CA1170090087 | Active (final NPL) | 6.7 mi |
| United Heckathorn Co. Richmond, California · EPA ID CAD981436363 | Active (final NPL) | 7.1 mi |
EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.
What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.
Questions about 94130
Who supplies drinking water to ZIP 94130?
Treasure Island (EPA ID CA3810702), a surface water (rivers, lakes) system serving about 3,864 people.
Is there lead in San Francisco, CA tap water?
The utility’s latest 90th-percentile lead result (Jan 2022) was 100 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.
Does San Francisco, CA water have PFAS?
This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).
Has the water system in 94130 had violations?
No health-based violations reported since 2016.
What natural hazards affect ZIP 94130?
FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are coastal flooding (relatively high), earthquake (relatively high), tsunami (relatively moderate).
Are there Superfund sites near 94130?
Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Alameda Naval Air Station (3.0 mi, Active (final NPL)); AMCO Chemical (4.3 mi, Active (final NPL)); Liquid Gold Oil Corp. (6.6 mi, Cleaned up & deleted).
Is radon a problem in San Francisco County?
San Francisco County is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.