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

Home hazard report for 75958 — Martinsville, TX

ZIP 75958 is served by Swift WSC: 1 violation since 2016, latest lead result 0 ppb, PFAS not tested. Nacogdoches is in EPA radon zone 3.

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Where ZIP 75958 is

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: Swift WSC

EPA IDTX1740019
People served2,547
Sourcegroundwater (wells)
Connections1,070

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Groundwater Rule1

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 Oct 2021.

Full record for Swift WSC →

Lead

Jan 20210 ppb
Jan 20000 ppb
Jan 19970.9 ppb
Jan 19961.3 ppb
Jan 19952.1 ppb
Jan 19941.1 ppb
Jul 19931.3 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 Nacogdoches

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 →

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 Martinsville? See the 2026 conforming, FHA and jumbo loan limits for Nacogdoches →

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 75958

Who supplies drinking water to ZIP 75958?

Swift WSC (EPA ID TX1740019), a groundwater (wells) system serving about 2,547 people.

Is there lead in Martinsville, TX tap water?

The utility’s latest 90th-percentile lead result (Jan 2021) 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 Martinsville, 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 75958 had violations?

Health-based violations since 2016: Groundwater Rule. All are listed as resolved.

Are there Superfund sites near 75958?

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

Is radon a problem in Nacogdoches?

Nacogdoches 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.