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

Home hazard report for 75164 — Josephine, TX

ZIP 75164 is served by City of Josephine: no health-based violations since 2016, latest lead result 1.8 ppb, PFAS 4 detected. Collin County is in EPA radon zone 3.

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Where ZIP 75164 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 Josephine

EPA IDTX0430036
People served9,800
Sourcesurface water (rivers, lakes)
Connections4,107

Health-based violations

No health-based violations reported since 2016.

Full record for City of Josephine →

Other systems overlapping this ZIP: Caddo Basin SUD.

Lead

Jan 20261.8 ppb
Jan 20251.3 ppb
Jan 20220.8 ppb
Jan 20063.2 ppb
Jan 20032.7 ppb
Jan 20001.3 ppb
Jan 19975.3 ppb
Jan 19964.1 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
PFBA12.8 ppt3 of 4—
PFPeA6.1 ppt3 of 4—
PFHxA5.6 ppt3 of 4—
PFBS3.7 ppt1 of 4—
PFDAnot detected0 of 4—
PFHxSnot detected0 of 4—
PFNAnot detected0 of 4—
PFOSnot detected0 of 44 ppt MCL
PFOAnot detected0 of 44 ppt MCL
PFHpAnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—

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 Collin County

EPA radon zone 3 — low potential. Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.

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

HailVery High
TornadoVery High
Cold waveRelatively Moderate
Heat waveRelatively Moderate
Riverine floodingRelatively Moderate
Winter weatherRelatively Moderate
DroughtRelatively Low
Ice stormRelatively Low
Strong windRelatively Low
WildfireRelatively Low
EarthquakeVery Low
HurricaneVery Low
LandslideVery Low
LightningVery 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

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

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 75164

Who supplies drinking water to ZIP 75164?

City of Josephine (EPA ID TX0430036), a surface water (rivers, lakes) system serving about 9,800 people.

Is there lead in Josephine, TX tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 1.8 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 Josephine, TX water have PFAS?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).

Has the water system in 75164 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 75164?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively High; the highest-rated hazards are hail (very high), tornado (very high), cold wave (relatively moderate).

Are there Superfund sites near 75164?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Collin County?

Collin County is in EPA radon zone 3 (low potential). Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.