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

Home hazard report for 85364 — Yuma, AZ

ZIP 85364 is served by City of Yuma: 23 violations since 2016, latest lead result 1.1 ppb, PFAS not detected. Yuma County is in EPA radon zone 2.

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Where ZIP 85364 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: City of Yuma

EPA IDAZ0414024
People served103,264
Sourcesurface water (rivers, lakes)
Connections32,641

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Chlorine Dioxide22
Carbon, Total1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Mar 2022.

Full record for City of Yuma →

Lead

Jan 20221.1 ppb
Jan 20190.8 ppb
Jan 20161.1 ppb
Jan 20130.8 ppb
Jan 20100.5 ppb
Jan 20090.7 ppb
Jan 20070.7 ppb
Jan 20060.8 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
PFDAnot detected0 of 8—
PFOAnot detected0 of 84 ppt MCL
PFOSnot detected0 of 84 ppt MCL
PFNAnot detected0 of 8—
PFHxSnot detected0 of 8—
PFHpAnot detected0 of 8—
PFBSnot detected0 of 8—
PFHxAnot detected0 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFBAnot detected0 of 8—
PFPeAnot detected0 of 8—

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 Yuma 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 low community resilience.

Riverine floodingRelatively High
DroughtRelatively Moderate
EarthquakeRelatively Moderate
Heat waveRelatively Moderate
WildfireRelatively Moderate
LandslideRelatively Low
Strong windRelatively Low
HailVery Low
HurricaneVery Low
LightningVery Low
TornadoVery Low
Volcanic activityVery 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
Yuma Marine Corps Air Station
Yuma, Arizona · EPA ID AZ0971590062
Active (final NPL)5.2 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 Yuma? See the 2026 conforming, FHA and jumbo loan limits for Yuma 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 85364

Who supplies drinking water to ZIP 85364?

City of Yuma (EPA ID AZ0414024), a surface water (rivers, lakes) system serving about 103,264 people.

Is there lead in Yuma, AZ tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 1.1 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 Yuma, AZ water have PFAS?

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

Has the water system in 85364 had violations?

Health-based violations since 2016: Chlorine Dioxide, Carbon, Total. All are listed as resolved.

What natural hazards affect ZIP 85364?

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

Are there Superfund sites near 85364?

The nearest active Superfund site is 5.2 miles away. Sites within 10 miles: Yuma Marine Corps Air Station (5.2 mi, Active (final NPL)).

Is radon a problem in Yuma County?

Yuma 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.