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How to Test Well Water for PFAS in Texas (2026)

How to Test Well Water for PFAS in Texas (2026)

Testing a Texas well for PFAS is not part of standard panels. Here's which wells should prioritize it, how to sample correctly, and what results mean.

Septic & Well Pro Editorial Team
May 19, 2026 · 3 min read

A pfas well water test texas private well owners schedule in 2026 is not part of any standard county or lab panel — it's a specialty test that must be requested specifically and interpreted carefully. PFAS (per- and polyfluoroalkyl substances, the "forever chemicals") have been detected at multiple Texas military bases, firefighter training sites, and industrial facilities. If your well is nearby, testing is no longer optional.

Here is how texas pfas water testing actually works, which tx well pfas test panels are worth paying for, and what the 2024 EPA PFAS drinking water rule means for Texas private well owners.

Who Should Test Texas Well Water for PFAS?

Priority scenarios:

  • Within 3–5 miles of a current or former military base (Carswell JRB, Ellington Field, Lackland, Fort Cavazos, Sheppard, Dyess, Goodfellow, Laughlin, and others)
  • Within 3 miles of a fire training ground or major fire station that used AFFF foam
  • Near chrome plating facilities, paper mills, or Teflon-related manufacturing
  • Downstream of any state-designated PFAS site
  • Recent TCEQ or EPA notice of PFAS detection in the area

What the Test Actually Measures

EPA Method 537.1 (or 533) measures specific PFAS compounds. The 2024 EPA final rule set enforceable drinking water limits for:

  • PFOA — 4 parts per trillion
  • PFOS — 4 parts per trillion
  • PFHxS, PFNA, HFPO-DA (GenX) — 10 parts per trillion
  • Mixture Hazard Index for four others

Private well owners are not legally required to meet those limits, but they are now the standard any test result will be compared against.

How to Get a Valid Texas PFAS Test

  1. Pick an EPA Method 537.1 or 533 certified lab. Not all state-certified labs run PFAS. Expect $200–$400 per sample.
  2. Follow the lab's sampling protocol. PFAS testing is extremely sensitive to contamination from sampling materials — Teflon is literally PFAS-based. Use only the bottles and gloves the lab provides.
  3. Sample from the kitchen tap after flushing. Let cold water run 2–3 minutes, then collect.
  4. Ship same day with cold pack. Delays void the sample.

What to Do If You Test Positive for PFAS

The 2024 EPA rule establishes treatment as the right response. Two treatment technologies work reliably for private wells:

  • Reverse osmosis (RO) — removes 90–99% of major PFAS compounds. $400–$1,500 for an under-sink system.
  • Granular activated carbon (GAC) — whole-house systems remove 85–95%. $1,500–$4,000 installed. Requires regular media replacement.

Ion exchange resins specifically designed for PFAS also work but cost more and are less common in residential settings.

For more on testing in general, see our Texas well water testing guide and Texas well water testing cost guide.

Frequently Asked Questions About Forever Chemicals Well Water Texas

How much does a PFAS well water test cost in Texas?

$200–$400 per sample at a Method 537.1/533 certified lab. Some Texas counties running active PFAS investigations offer free testing; check with your county health department.

Is PFAS in Texas well water common?

Not statewide. But within 5 miles of military bases and industrial sites, detection rates jump dramatically. Hundreds of Texas wells have confirmed detections.

Can I remove PFAS from my Texas well water?

Yes — RO and GAC filtration both work. Whole-house or point-of-use systems are the two standard approaches.

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