PFAS in Austin, TX Drinking Water
PFAS data for Austin, Texas · 1,246,707 residents · 80 ZIP codes
Across the water systems that serve Austin, Texas, PFAS has appeared in EPA compliance samples — standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Austin Tap Water
PFAS has been detected in Austin, Texas drinking water at a maximum level of 0.0243 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 1,246,707 residents across 80 ZIP codes in Austin.
Austin's overall water quality grade is A (92/100).
Is PFAS in Austin Water Safe?
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 |
|---|---|---|---|
| 78724 | 66 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78725 | 66 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78746 | 66 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78723 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78731 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78750 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78753 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78758 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78708 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78709 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78714 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78755 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78767 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78768 | 42 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78717 | 39 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78728 | 30 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78719 | 27 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78747 | 27 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78735 | 24 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78736 | 24 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78737 | 24 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78732 | 23 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78701 | 22 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78702 | 22 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 78703 | 22 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| ...25 more ZIP codes |
Average pfas level across Austin: 30.88 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 Austin 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.