Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Del Valle, TX Drinking Water

PFAS data for Del Valle, Texas · 28,932 residents · 1 ZIP code

Because PFAS is associated with health effects at sustained elevated exposures, residents in Del Valle, Texas may find it useful that local water systems have returned detectable concentrations — facts that bear on long-term household water decisions.

0.0084 ppt
Max Level Detected
22 ppt
Average Level
4 ppt (PFOA/PFOS individually)
EPA MCL
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

PFAS in Del Valle Tap Water

PFAS has been detected in Del Valle, Texas drinking water at a maximum level of 0.0084 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 28,932 residents across 1 ZIP code in Del Valle.

Del Valle's overall water quality grade is B (81/100).

Is PFAS in Del Valle Water Safe?

PFAS levels in parts of Del Valle exceed the EPA MCL of 4 ppt (PFOA/PFOS individually). The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis or granular activated carbon filter certified under NSF 53 / NSF 58 and testing your water independently.

PFAS Levels by ZIP Code

ZIP Code PFAS Level EPA Limit Status
78617 22 detections 4 ppt (PFOA/PFOS individually) Exceeds limit

Average pfas level across Del Valle: 22 ppt

Health Effects of PFAS

  • Increased risk of kidney and testicular cancer
  • Thyroid disease and immune system suppression
  • Reproductive problems and reduced fertility
  • Elevated cholesterol and liver effects
  • Developmental effects in infants and children

Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).

How PFAS Gets Into Drinking Water

  • Firefighting foam (AFFF) used at military bases and airports
  • Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
  • Wastewater treatment plants that receive industrial discharge
  • Landfill leachate from PFAS-containing consumer products

What to Do About PFAS in Del Valle Water

  1. Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
  2. Granular activated carbon (GAC) filters remove some PFAS compounds
  3. Look for NSF 53 or NSF 58 certification specifically tested for PFAS
  4. Pitcher filters with activated carbon provide partial reduction

Look for filters certified under NSF 53 / NSF 58 for pfas removal.

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