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

Home hazard report for 90670 — Santa Fe Springs, CA

ZIP 90670 is served by Santa Fe Springs - City, Water Dept.: no health-based violations since 2016, latest lead result 0 ppb, PFAS 14 ppt. Los Angeles County is in EPA radon zone 2.

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Where ZIP 90670 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: Santa Fe Springs - City, Water Dept.

EPA IDCA1910245
People served19,219
Sourcesurface water (rivers, lakes)
Connections5,508

Health-based violations

No health-based violations reported since 2016.

Full record for Santa Fe Springs - City, Water Dept. →

Lead

Jan 20230 ppb
Jan 20210 ppb
Jan 20170 ppb
Jan 20140 ppb
Jan 20110 ppb
Jan 20085.4 ppb
Jan 20070 ppb
Jan 20065.4 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
PFBA14 ppt2 of 6—
PFOS14 ppt2 of 64 ppt MCL
PFOA6.9 ppt2 of 64 ppt MCL
PFBS5.2 ppt2 of 6—
PFPeA3.9 ppt1 of 6—
HFPO-DA (GenX)not detected0 of 6—
PFHpAnot detected0 of 6—
PFNAnot detected0 of 6—
PFDAnot detected0 of 6—
PFHxAnot detected0 of 6—
PFHxSnot detected0 of 6—

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 Los Angeles 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 Very High, with relatively moderate social vulnerability and very low community resilience.

EarthquakeVery High
Riverine floodingVery High
HailRelatively Low
TornadoRelatively Low
Heat waveVery Low
LandslideVery Low
LightningVery Low
Strong windVery Low
Winter weatherVery 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
Waste Disposal, Inc.
Santa Fe Springs, California · EPA ID CAD980884357
Active (final NPL)1.2 mi
Omega Chemical Corporation
Whittier, California · EPA ID CAD042245001
Active (final NPL)2.8 mi
McColl
Fullerton, California · EPA ID CAD980498695
Active (final NPL)5.9 mi
Southern Avenue Industrial Area
South Gate, California · EPA ID CAN000905902
Active (final NPL)6.6 mi
Jervis B. Webb Co.
South Gate, California · EPA ID CAD008339467
Active (final NPL)6.7 mi
Cooper Drum Company
South Gate, California · EPA ID CAD055753370
Active (final NPL)6.8 mi
Pemaco Maywood
Maywood, California · EPA ID CAD980737092
Active (final NPL)7.2 mi
Operating Industries, Inc., Landfill
Monterey Park, California · EPA ID CAT080012024
Active (final NPL)7.3 mi
San Gabriel Valley (Area 4)
La Puente, California · EPA ID CAD980817985
Active (final NPL)8.3 mi
Exide Technologies - Vernon
Vernon, California · EPA ID CAD097854541
Proposed9.0 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 Santa Fe Springs? See the 2026 conforming, FHA and jumbo loan limits for Los Angeles 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 90670

Who supplies drinking water to ZIP 90670?

Santa Fe Springs - City, Water Dept. (EPA ID CA1910245), a surface water (rivers, lakes) system serving about 19,219 people.

Is there lead in Santa Fe Springs, CA tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) 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 Santa Fe Springs, CA water have PFAS?

Highest PFOA or PFOS result in EPA’s 2023–2025 testing was at or above 4.0 ppt, EPA’s 2024 maximum contaminant level for each. 5 PFAS compounds detected.

Has the water system in 90670 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 90670?

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

Are there Superfund sites near 90670?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Waste Disposal, Inc. (1.2 mi, Active (final NPL)); Omega Chemical Corporation (2.8 mi, Active (final NPL)); McColl (5.9 mi, Active (final NPL)).

Is radon a problem in Los Angeles County?

Los Angeles 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.