EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 95151 — San Jose, CA

ZIP 95151 is served by City of San Jose - Evg/Edv/Coy: no health-based violations since 2016, latest lead result 0 ppb, PFAS not detected. Santa Clara is in EPA radon zone 2.

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Where ZIP 95151 is

blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: City of San Jose - Evg/Edv/Coy

EPA IDCA4310020
People served99,783
Sourcesurface water (rivers, lakes)
Connections24,090

Health-based violations

No health-based violations reported since 2016.

Full record for City of San Jose - Evg/Edv/Coy →

Other systems overlapping this ZIP: Santa Clara Valley Water District.

Lead

Jan 20220 ppb
Jan 20190 ppb
Jan 20160 ppb
Jan 20150 ppb
Jan 20120 ppb
Jan 20090 ppb
Jan 200613 ppb
Jan 20043 ppb

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”)

CompoundHighest resultSamples with detectionEPA limit
PFHxAnot detected0 of 9—
PFBSnot detected0 of 9—
PFHpAnot detected0 of 9—
PFPeAnot detected0 of 9—
PFDAnot detected0 of 9—
PFHxSnot detected0 of 9—
PFNAnot detected0 of 9—
PFOSnot detected0 of 94 ppt MCL
PFOAnot detected0 of 94 ppt MCL
HFPO-DA (GenX)not detected0 of 9—
PFBAnot detected0 of 9—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Santa Clara

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 →

Superfund sites nearby

SiteStatusDistance
Lorentz Barrel & Drum Co.
San Jose, California · EPA ID CAD029295706
Active (final NPL)2.1 mi
Fairchild Semiconductor Corp. (South San Jose Plant)
South San Jose, California · EPA ID CAD097012298
Active (final NPL)6.7 mi
Intel Corp. (Santa Clara III)
Santa Clara, California · EPA ID CAT000612184
Cleaned up & deleted8.8 mi
Synertek, Inc. (Building 1)
Santa Clara, California · EPA ID CAD990832735
Active (final NPL)8.9 mi
Applied Materials
Santa Clara, California · EPA ID CAD042728840
Active (final NPL)9.2 mi
Intel Magnetics
Santa Clara, California · EPA ID CAD092212497
Active (final NPL)9.3 mi
Intersil Inc./Siemens Components
Cupertino, California · EPA ID CAD041472341
Active (final NPL)9.7 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.

Buying a home in San Jose? See the 2026 conforming, FHA and jumbo loan limits for Santa Clara →

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 95151

Who supplies drinking water to ZIP 95151?

City of San Jose - Evg/Edv/Coy (EPA ID CA4310020), a surface water (rivers, lakes) system serving about 99,783 people.

Is there lead in San Jose, CA tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 0 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 Jose, CA water have PFAS?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.

Has the water system in 95151 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 95151?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Lorentz Barrel & Drum Co. (2.1 mi, Active (final NPL)); Fairchild Semiconductor Corp. (South San Jose Plant) (6.7 mi, Active (final NPL)); Intel Corp. (Santa Clara III) (8.8 mi, Cleaned up & deleted).

Is radon a problem in Santa Clara?

Santa Clara 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.