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

Home hazard report for 93041 — Port Hueneme, CA

ZIP 93041 is served by Oxnard Water Dept: no health-based violations since 2016, latest lead result 0 ppb, PFAS not detected. Ventura County is in EPA radon zone 1.

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Where ZIP 93041 is

Dashed: ZIP area · 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: Oxnard Water Dept

EPA IDCA5610007
People served200,232
Sourcesurface water (rivers, lakes)
Connections42,804

Health-based violations

No health-based violations reported since 2016.

Full record for Oxnard Water Dept →

Other systems overlapping this ZIP: Naval Base Ventura County, Port Hueneme, Port Hueneme City Water Dept, Naval Base Ventura County, Point Mugu.

Lead

Jan 20250 ppb
Jan 20222.2 ppb
Jan 20194.2 ppb
Jan 20166.1 ppb
Jan 20133.3 ppb
Jan 20103.4 ppb
Jan 20076.4 ppb
Jan 20068.2 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
PFPeAnot detected0 of 12—
PFBAnot detected0 of 12—
PFOAnot detected0 of 124 ppt MCL
PFOSnot detected0 of 124 ppt MCL
PFBSnot detected0 of 12—
PFHpAnot detected0 of 12—
PFNAnot detected0 of 12—
HFPO-DA (GenX)not detected0 of 12—
PFDAnot detected0 of 12—
PFHxAnot detected0 of 12—
PFHxSnot detected0 of 12—

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 Ventura County

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

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 low social vulnerability and relatively low community resilience.

EarthquakeRelatively High
Coastal floodingRelatively Low
Riverine floodingRelatively Low
HailVery Low
Heat waveVery Low
LandslideVery Low
LightningVery Low
Strong windVery Low
TornadoVery Low
TsunamiVery Low
WildfireVery Low

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

SiteStatusDistance
Halaco Engineering Company
Oxnard, California · EPA ID CAD009688052
Active (final NPL)1.7 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 Port Hueneme? See the 2026 conforming, FHA and jumbo loan limits for Ventura County →

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 93041

Who supplies drinking water to ZIP 93041?

Oxnard Water Dept (EPA ID CA5610007), a surface water (rivers, lakes) system serving about 200,232 people.

Is there lead in Port Hueneme, CA tap water?

The utility’s latest 90th-percentile lead result (Jan 2025) 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 Port Hueneme, CA water have PFAS?

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

Has the water system in 93041 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 93041?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are earthquake (relatively high), coastal flooding (relatively low), riverine flooding (relatively low).

Are there Superfund sites near 93041?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Halaco Engineering Company (1.7 mi, Active (final NPL)).

Is radon a problem in Ventura County?

Ventura County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.