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

Home hazard report for 76491 — Woodson, TX

ZIP 76491 is served by Stephens Regional SUD: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Throckmorton County is in EPA radon zone 3.

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Where ZIP 76491 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: Stephens Regional SUD

EPA IDTX2150007
People served5,220
Sourcesurface water (rivers, lakes)
Connections1,740

Health-based violations

No health-based violations reported since 2016.

Full record for Stephens Regional SUD →

Other systems overlapping this ZIP: Fort Griffin SUD, Fort Belknap WSC.

Lead

Jan 20230 ppb
Jul 20220 ppb
Jan 20225 ppb
Jan 20004 ppb
Jan 19972.3 ppb
Jan 19961.2 ppb
Jan 19951.5 ppb
Jan 19942.6 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”)

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

Radon in Throckmorton 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 Moderate, with relatively high social vulnerability and very high community resilience.

HailVery High
DroughtRelatively High
Strong windRelatively High
WildfireRelatively High
Cold waveRelatively Moderate
TornadoRelatively Moderate
Winter weatherRelatively Moderate
Heat waveRelatively Low
LandslideRelatively Low
Riverine floodingRelatively Low
EarthquakeVery Low
HurricaneVery Low
Ice stormVery 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.

Buying a home in Woodson? See the 2026 conforming, FHA and jumbo loan limits for Throckmorton 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 76491

Who supplies drinking water to ZIP 76491?

Stephens Regional SUD (EPA ID TX2150007), a surface water (rivers, lakes) system serving about 5,220 people.

Is there lead in Woodson, TX 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 Woodson, TX water have PFAS?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Has the water system in 76491 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 76491?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are hail (very high), drought (relatively high), strong wind (relatively high).

Are there Superfund sites near 76491?

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

Is radon a problem in Throckmorton County?

Throckmorton 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.