EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 78961 — Round Top, TX

ZIP 78961 is served by West END WSC: no health-based violations since 2016, latest lead result 2.1 ppb, PFAS not tested. Fayette is in EPA radon zone 3.

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Where ZIP 78961 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: West END WSC

EPA IDTX0080005
People served2,910
Sourcegroundwater (wells)
Connections970

Health-based violations

No health-based violations reported since 2016.

Full record for West END WSC →

Lead

Jan 20232.1 ppb
Jan 20201.7 ppb
Jan 20002.1 ppb
Jan 19972.2 ppb
Jan 199610 ppb
Jan 19957.4 ppb
Jan 19947.6 ppb
Jul 19935.5 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 Fayette

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 Round Top? See the 2026 conforming, FHA and jumbo loan limits for Fayette →

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 78961

Who supplies drinking water to ZIP 78961?

West END WSC (EPA ID TX0080005), a groundwater (wells) system serving about 2,910 people.

Is there lead in Round Top, TX tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 2.1 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 Round Top, 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 78961 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 78961?

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

Is radon a problem in Fayette?

Fayette 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.