Travis County, Texas
86 ZIP codes · Avg score 90/100 · Grade A · Updated 2026-06-03
Travis County's tap water quality puts it in the upper tier nationally; the 86 ZIP codes here record few health-based violations.
How Travis County Compares
How Travis County Compares
Travis County scores 8 points above the Texas state average (82/100) and 22 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Travis County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9.8 (asthma 9.2%, diabetes 9%)
Estimated additional annual cost per homeowner: $1,385, driven primarily by flood
Infrastructure: 0.289% avg pipe failure probability, 2% of ZIPs at high risk
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Travis County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 114 violations. Past 5 years: 223 total (223 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,385
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Travis County
Remediation costs are relatively manageable for most homeowners in Travis County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Travis County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Travis County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Austin Water & Wastewater | 1,115,323 | 250 |
| 2 | West Travis County Public Utility Agency | 28,215 | 233 |
| 3 | Travis County Wcid 17 | 45,165 | 229 |
| 4 | Windermere Community | 21,231 | 229 |
| 5 | Paseo Del Este Municipal Utility District 1 | 36,773 | 225 |
41 total water systems serve Travis County.
All ZIP Codes in Travis County
86 ZIP codes tracked in Travis County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73344 | Austin | 98 | A | 3 (1 health) | — |
| 2 | 78708 | Austin | 98 | A | 3 (1 health) | — |
| 3 | 78709 | Austin | 98 | A | 3 (1 health) | — |
| 4 | 78710 | Austin | 98 | A | 3 (1 health) | — |
| 5 | 78712 | Austin | 98 | A | 3 (1 health) | — |
| 6 | 78713 | Austin | 98 | A | 3 (1 health) | — |
| 7 | 78715 | Austin | 98 | A | 3 (1 health) | — |
| 8 | 78716 | Austin | 98 | A | 3 (1 health) | — |
| 9 | 78718 | Austin | 98 | A | 3 (1 health) | — |
| 10 | 78720 | Austin | 98 | A | 3 (1 health) | — |
| 11 | 78755 | Austin | 98 | A | 3 (1 health) | — |
| 12 | 78760 | Austin | 98 | A | 3 (1 health) | — |
| 13 | 78761 | Austin | 98 | A | 3 (1 health) | — |
| 14 | 78763 | Austin | 98 | A | 3 (1 health) | — |
| 15 | 78764 | Austin | 98 | A | 3 (1 health) | — |
| 16 | 78765 | Austin | 98 | A | 3 (1 health) | — |
| 17 | 78769 | Austin | 98 | A | 3 (1 health) | — |
| 18 | 78772 | Austin | 98 | A | 3 (1 health) | — |
| 19 | 78773 | Austin | 98 | A | 3 (1 health) | — |
| 20 | 78774 | Austin | 98 | A | 3 (1 health) | — |
| 21 | 78778 | Austin | 98 | A | 3 (1 health) | — |
| 22 | 78779 | Austin | 98 | A | 3 (1 health) | — |
| 23 | 78780 | Austin | 98 | A | 3 (1 health) | — |
| 24 | 78781 | Austin | 98 | A | 3 (1 health) | — |
| 25 | 78783 | Austin | 98 | A | 3 (1 health) | — |
| 26 | 78785 | Austin | 98 | A | 3 (1 health) | — |
| 27 | 78788 | Austin | 98 | A | 3 (1 health) | — |
| 28 | 78789 | Austin | 98 | A | 3 (1 health) | — |
| 29 | 78798 | Austin | 98 | A | 3 (1 health) | — |
| 30 | 78799 | Austin | 98 | A | 3 (1 health) | — |
| 31 | 78653 | Manor | 94 | A | 3 | $328K |
| 32 | 78714 | Austin | 94 | A | 3 (1 health) | — |
| 33 | 78726 | Austin | 94 | A | 3 (1 health) | $649K |
| 34 | 78728 | Austin | 94 | A | 3 (1 health) | $393K |
| 35 | 78738 | Austin | 94 | A | 3 (1 health) | $755K |
| 36 | 78739 | Austin | 94 | A | 3 (1 health) | $699K |
| 37 | 78742 | Austin | 94 | A | 3 (1 health) | — |
| 38 | 78762 | Austin | 94 | A | 3 (1 health) | — |
| 39 | 78766 | Austin | 94 | A | 3 (1 health) | — |
| 40 | 78768 | Austin | 94 | A | 3 (1 health) | — |
| 41 | 78702 | Austin | 89 | A | 3 (1 health) | $644K |
| 42 | 78705 | Austin | 89 | A | 3 (1 health) | $628K |
| 43 | 78722 | Austin | 89 | A | 3 (1 health) | $662K |
| 44 | 78725 | Austin | 89 | A | 3 (1 health) | $307K |
| 45 | 78730 | Austin | 89 | A | 3 (1 health) | $1019K |
| 46 | 78732 | Austin | 89 | A | 3 (1 health) | $729K |
| 47 | 78733 | Austin | 89 | A | 3 (1 health) | $964K |
| 48 | 78735 | Austin | 89 | A | 3 (1 health) | $792K |
| 49 | 78736 | Austin | 89 | A | 3 (1 health) | $556K |
| 50 | 78737 | Austin | 89 | A | 3 (1 health) | $689K |
| 51 | 78741 | Austin | 89 | A | 3 (1 health) | $377K |
| 52 | 78748 | Austin | 89 | A | 3 (1 health) | $434K |
| 53 | 78749 | Austin | 89 | A | 3 (1 health) | $531K |
| 54 | 78752 | Austin | 89 | A | 3 (1 health) | $361K |
| 55 | 78754 | Austin | 89 | A | 3 (1 health) | $319K |
| 56 | 78756 | Austin | 89 | A | 3 (1 health) | $789K |
| 57 | 78691 | Pflugerville | 88 | A | 4 (3 health) | — |
| 58 | 78701 | Austin | 84 | B | 3 (1 health) | $654K |
| 59 | 78703 | Austin | 84 | B | 3 (1 health) | $1354K |
| 60 | 78704 | Austin | 84 | B | 3 (1 health) | $862K |
| 61 | 78719 | Austin | 84 | B | 3 (1 health) | $121K |
| 62 | 78721 | Austin | 84 | B | 3 (1 health) | $503K |
| 63 | 78723 | Austin | 84 | B | 3 (1 health) | $514K |
| 64 | 78724 | Austin | 84 | B | 3 (1 health) | $295K |
| 65 | 78727 | Austin | 84 | B | 3 (1 health) | $483K |
| 66 | 78731 | Austin | 84 | B | 3 (1 health) | $840K |
| 67 | 78746 | Austin | 84 | B | 3 (1 health) | $1353K |
| 68 | 78750 | Austin | 84 | B | 3 (1 health) | $553K |
| 69 | 78751 | Austin | 84 | B | 3 (1 health) | $701K |
| 70 | 78753 | Austin | 84 | B | 3 (1 health) | $344K |
| 71 | 78757 | Austin | 84 | B | 3 (1 health) | $630K |
| 72 | 78758 | Austin | 84 | B | 3 (1 health) | $419K |
| 73 | 78759 | Austin | 84 | B | 3 (1 health) | $634K |
| 74 | 78615 | Coupland | 83 | B | 6 (3 health) | $349K |
| 75 | 78669 | Spicewood | 83 | B | 4 | $576K |
| 76 | 78612 | Cedar Creek | 81 | B | 4 (1 health) | $239K |
| 77 | 78617 | Del Valle | 81 | B | 10 (1 health) | $248K |
| 78 | 78646 | Leander | 81 | B | 22 | — |
| 79 | 78660 | Pflugerville | 81 | B | 4 (3 health) | $369K |
| 80 | 78652 | Manchaca | 80 | B | 4 (2 health) | $481K |
| 81 | 78734 | Austin | 79 | B | 3 (1 health) | $626K |
| 82 | 78744 | Austin | 79 | B | 3 (1 health) | $307K |
| 83 | 78745 | Austin | 79 | B | 3 (1 health) | $459K |
| 84 | 78747 | Austin | 79 | B | 3 (1 health) | $396K |
| 85 | 78641 | Leander | 71 | B | 22 | $453K |
| 86 | 78645 | Leander | 71 | B | 22 | $387K |
Recommended Buyer Guides for Travis County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Travis County, Texas
Overview
Travis County in Texas covers 86 ZIP codes with an average Home Safety Score of A (90/100).
86 of 86 ZIP codes have recorded EPA violations. 88 health-based violations have been documented.
← Back to Texas water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.