Uvalde County, Texas
7 ZIP codes · Avg score 86/100 · Grade A · Updated 2026-06-03
Across all 7 ZIP codes in Uvalde County, tap water consistently meets or exceeds federal safety standards.
How Uvalde County Compares
How Uvalde County Compares
Uvalde County scores 4 points above the Texas state average (82/100) and 18 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Uvalde County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.5 (asthma 9.2%, diabetes 15.7%)
Estimated additional annual cost per homeowner: $1,150, driven primarily by flood
Infrastructure: 0.311% avg pipe failure probability
46.3% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Uvalde County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 2 violations. Past 5 years: 5 total (5 health-based).
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: $1,150
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
10,490 housing units in Uvalde County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Uvalde County
Remediation costs are relatively manageable for most homeowners in Uvalde 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 Uvalde 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 Uvalde County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Uvalde | 17,450 | 18 |
| 2 | Windmill Water Supply Corporation | 2,900 | 18 |
| 3 | Highway 117 Water Supply Corporation | 186 | 16 |
| 4 | Rough Canyon Condos | 89 | 16 |
| 5 | Fort Inge Mobile Home Park | 27 | 16 |
10 total water systems serve Uvalde County.
All ZIP Codes in Uvalde County
7 ZIP codes tracked in Uvalde County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78870 | Knippa | 94 | A | 2 (1 health) | $178K |
| 2 | 78881 | Sabinal | 91 | A | 15 (1 health) | $82K |
| 3 | 78802 | Uvalde | 88 | A | 8 | — |
| 4 | 78838 | Concan | 86 | A | 16 (4 health) | — |
| 5 | 78884 | Utopia | 86 | A | 5 | $346K |
| 6 | 78801 | Uvalde | 83 | B | 8 | $144K |
| 7 | 78885 | Vanderpool | 73 | B | 0 | $362K |
Recommended Buyer Guides for Uvalde County
Below: editorial picks, no sponsored placements.
- 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 Uvalde County, Texas
Overview
Uvalde County in Texas covers 7 ZIP codes with an average Home Safety Score of A (86/100).
6 of 7 ZIP codes have recorded EPA violations. 6 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.