PFAS in Schertz, TX Drinking Water
PFAS data for Schertz, Texas · 41,948 residents · 1 ZIP code
Federal water monitoring extends to thousands of public water systems, and in Schertz, Texas, that tracking has turned up PFAS — the detection is logged in the EPA compliance record and reflects samples collected under routine Safe Drinking Water Act reporting requirements.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Schertz Tap Water
PFAS has been detected in Schertz, Texas drinking water at a maximum level of 0.0092 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 41,948 residents across 1 ZIP code in Schertz.
Schertz's overall water quality grade is B (72/100).
Is PFAS in Schertz Water Safe?
PFAS was detected in Schertz water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or granular activated carbon filter can reduce pfas levels further.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 78154 | 10 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Schertz: 10 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 Schertz Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.