Poor Water Quality
| Compound | Level | EPA MCL | Health Guideline | Status |
|---|---|---|---|---|
| PFBA | 8.4 ppt | No standard | 500 ppt | Unregulated |
| PFHxS | 6.2 ppt | 10 ppt | 10 ppt | Below limit |
| PFBS | 5.1 ppt | 2000 ppt | 100 ppt | Below limit |
| PFOS | 4.8 ppt | 4 ppt | 4 ppt | Exceeded |
| PFPeA | 4.1 ppt | No standard | — | Unregulated |
| PFHxA | 3.3 ppt | No standard | 400 ppt | Unregulated |
Water Quality Summary
Tap water quality in Austin, Texas (78741) receives an overall grade of D (Poor) with a score of 47 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 22 points below the Texas state average of 68. Compared to the national average (75), this area scores significantly lower. The area is served by 2 water systems providing water to approximately 1,115,458 people, using surface water and groundwater sources. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 423 violations, including 3 health-based violations.
A score of 47/100 signals poor water quality in Austin, TX. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.
Common Questions
Tap water in Austin, Texas receives a grade of D (Poor) with a score of 47/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.
ZIP code 78741 is served by 2 water systems using surface water, groundwater sources, providing water to approximately 1,115,458 people. Multiple source types mean your water may come from a blend of surface and underground sources.
No lead data is currently available for ZIP code 78741. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.
Yes — 6 PFAS compounds were detected in water serving Austin, Texas, and 1 exceeds EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.
Water systems serving Austin, Texas have received 423 violations in the last 5 years, including 3 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.
Based on detected contaminants (PFAS), residents in Austin, Texas should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.